Ball Engineer III

The strap size depends on the reference. Yours is engraved on the case back or between the lugs at 6 o'clock.

16 to 22 mm

Verification: Listed by the maker

31 to 43 mm cases

Filter references by lug width

Indicative information. Check your watch before buying a strap: whatsmylugwidth.com is not responsible for an incorrect size.

Collection91 references
20 mm
Illustration drawn to scale: 40 mm case, 20 mm lugs

91 Ball Engineer III references

Ball Engineer III references in our database. Each card says where its width comes from: listed by the maker (linked to the maker's page in the details), two independent sources agree, or listed in our database and not yet verified by us.

  • NM9026C‑S45C‑GY

    Engineer III 00BLU

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmGrey dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9328C‑S15C‑GY

    Engineer III 00RED

    Lug width: 21 mm

    Source: Maker

    Case size: 43 mmGrey dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9028C‑S46CJ‑YTE

    Engineer III BRIGHT PATH

    Lug width: 21 mm

    Source: Maker

    Case size: 43 mmTiger's Eye dialCase material: 904L Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NL9616C‑S10CJ‑YTE

    Engineer III BRIGHT PATH (36mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 36 mmTiger's Eye dialCase material: 904L Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S19‑BK

    Engineer III Dreamer (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmCase material: Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S19‑BE

    Engineer III Dreamer (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmCase material: Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9028C‑S19‑BK

    Engineer III Dreamer (43mm)

    Lug width: 21 mm

    Source: Maker

    Case size: 43 mmBlue dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM2028C‑LBK20‑BK

    Engineer III Dreamer TiC (43mm)

    Lug width: 21 mm

    Source: Maker

    Case size: 43 mmBlack dialCase material: Stainless steel with TiC coating

    Attachment
    classic lugs
    Style
    sport
  • NM2028C‑LBR20‑BK

    Engineer III Dreamer TiC (43mm)

    Lug width: 21 mm

    Source: Maker

    Case size: 43 mmBlack dialCase material: Stainless steel with TiC coating

    Attachment
    classic lugs
    Style
    sport
  • NM2028C‑LBK20‑GR

    Engineer III Dreamer TiC (43mm)

    Lug width: 21 mm

    Source: Maker

    Case size: 43 mmGreen dialCase material: Stainless steel with TiC coating

    Attachment
    classic lugs
    Style
    sport
  • NM2028C‑LBR20‑GR

    Engineer III Dreamer TiC (43mm)

    Lug width: 21 mm

    Source: Maker

    Case size: 43 mmGreen dialCase material: Stainless steel with TiC coating

    Attachment
    classic lugs
    Style
    sport
  • GM9100C‑S2C‑GYR

    Engineer III Endurance 1917 GMT (41mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 41 mmGrey dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • GM9100C‑S2C‑IBER

    Engineer III Endurance 1917 GMT (41mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 41 mmIce blue dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • GM9100C‑S2C‑BER

    Engineer III Endurance 1917 GMT (41mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 41 mmBlue dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S47‑MAL

    Engineer III Invigorating Serpent (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmMalachite dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM2028C‑S12A‑BE

    Engineer III King

    Lug width: 21 mm

    Source: Maker

    Case size: 43 mmBlue dialCase material: Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM2028C‑L13A‑BE

    Engineer III King 43mm

    Lug width: 21 mm

    Source: Maker

    Case size: 43 mmBlue dialCase material: Stainless steel with Titanium carbide coating

    Attachment
    classic lugs
    Style
    sport
  • NM2028C‑L13A‑BK

    Engineer III King 43mm

    Lug width: 21 mm

    Source: Maker

    Case size: 43 mmBlue dialCase material: Stainless steel with Titanium carbide coating

    Attachment
    classic lugs
    Style
    sport
  • NM9328C‑S14A‑BKGR

    Engineer III Legend (43mm)

    Lug width: 21 mm

    Source: Maker

    Case size: 43 mmBlack dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9328C‑S14A‑SLGR

    Engineer III Legend (43mm)

    Lug width: 21 mm

    Source: Maker

    Case size: 43 mmSilver dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9016C‑S7C‑GR

    Engineer III Legend Arabic (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmGreen dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9016C‑S7C‑WH

    Engineer III Legend Arabic (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmWhite dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9016C‑S7C‑BK

    Engineer III Legend Arabic (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmBlack dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9016C‑S7C‑BE

    Engineer III Legend Arabic (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmBlue dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9016C‑S5C‑BER

    Engineer III Legend II (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmBlack / Blue dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9016C‑S5C‑BKR

    Engineer III Legend II (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmBlack / Blue dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NL9616C‑S1C‑PK

    Engineer III Marvelight Chronometer (36mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 36 mmPink mother-of-pearl dialCase material: 904L Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NL9616C‑S1C‑GR

    Engineer III Marvelight Chronometer (36mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 36 mmGreen dialCase material: 904L Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NL9616C‑S1C‑BK

    Engineer III Marvelight Chronometer (36mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 36 mmBlack dialCase material: 904L Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NL9616C‑S1C‑IBE

    Engineer III Marvelight Chronometer (36mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 36 mmIce blue dialCase material: 904L Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S6CJ‑BK

    Engineer III Marvelight Chronometer (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmBlack dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • PM9026C‑S3C‑BE2

    Engineer III Marvelight Chronometer (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmBlue dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S6CJ‑SLR

    Engineer III Marvelight Chronometer (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmSilver dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S6CJ‑GR

    Engineer III Marvelight Chronometer (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmGreen dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S6CJ‑IBE

    Engineer III Marvelight Chronometer (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmIce blue dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S27C‑BK

    Engineer III Marvelight Chronometer (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmBlack dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S6CJ‑SL

    Engineer III Marvelight Chronometer (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmSilver dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S6CJ‑GO

    Engineer III Marvelight Chronometer (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmGold dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S6CJ‑IBER

    Engineer III Marvelight Chronometer (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmIce blue dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • PM9026C‑S3C‑SL2

    Engineer III Marvelight Chronometer (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmSilver dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S6CJ‑GY

    Engineer III Marvelight Chronometer (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmGrey dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S27C‑RD

    Engineer III Marvelight Chronometer (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmBurgundy red dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • PM9026C‑S3C‑BK2

    Engineer III Marvelight Chronometer (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmBlack dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S39CJ‑OR

    Engineer III Marvelight Chronometer (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmOrange Enamel dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S27C‑BE

    Engineer III Marvelight Chronometer (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmNavy blue dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S44C‑TQR

    Engineer III Marvelight Chronometer (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmTurquoise enamel dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S6CJ‑BE

    Engineer III Marvelight Chronometer (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmNavy blue dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S6CJ‑RD

    Engineer III Marvelight Chronometer (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmBurgundy red dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S6CJ‑WH

    Engineer III Marvelight Chronometer (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmWhite dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9028C‑S36CJ‑IBER

    Engineer III Marvelight Chronometer (43mm)

    Lug width: 21 mm

    Source: Maker

    Case size: 43 mmIce blue dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9036C‑S1C‑GR

    Engineer III Marvelight Chronometer Day-Date (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmGreen dialCase material: 904L Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9036C‑S1C‑BK

    Engineer III Marvelight Chronometer Day-Date (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmBlack dialCase material: 904L Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9036C‑S1C‑BE

    Engineer III Marvelight Chronometer Day-Date (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmBlue dialCase material: 904L Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9036C‑S1C‑IBE

    Engineer III Marvelight Chronometer Day-Date (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmIce blue dialCase material: 904L Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9036C‑S1C‑GY

    Engineer III Marvelight Chronometer Day-Date (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmGrey dialCase material: 904L Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S46C‑MSL

    Engineer III Marvelight Chronometer Meteorite (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmMeteorite dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S46C‑MSLR

    Engineer III Marvelight Chronometer Meteorite (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmMeteorite dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9028C‑S51C‑MSL1

    Engineer III Marvelight Patriot

    Lug width: 21 mm

    Source: Maker

    Case size: 43 mmMeteorite dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9028C‑S51C‑ABE1

    Engineer III Marvelight Patriot

    Lug width: 21 mm

    Source: Maker

    Case size: 43 mmAventurine glass dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S59C‑MSL2

    Engineer III Marvelight Patriot

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmMeteorite dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S59C‑MSL1

    Engineer III Marvelight Patriot

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmMeteorite dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9028C‑S51C‑MSL2

    Engineer III Marvelight Patriot

    Lug width: 21 mm

    Source: Maker

    Case size: 43 mmMeteorite dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S59C‑ABE2

    Engineer III Marvelight Patriot

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmAventurine glass dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9028C‑S51C‑ABE2

    Engineer III Marvelight Patriot

    Lug width: 21 mm

    Source: Maker

    Case size: 43 mmAventurine glass dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S59C‑ABE1

    Engineer III Marvelight Patriot

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmAventurine glass dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • DG3028C‑S1CJ‑IBE

    Engineer III Maverick GMT (40mm)

    Lug width: 22 mm

    Source: Maker

    Case size: 40 mmIce blue dialCase material: Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • DG3028C‑S1CJ‑BK

    Engineer III Maverick GMT (40mm)

    Lug width: 22 mm

    Source: Maker

    Case size: 40 mmBlack dialCase material: Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • DG3028C‑S1CJ‑BE

    Engineer III Maverick GMT (40mm)

    Lug width: 22 mm

    Source: Maker

    Case size: 40 mmBlue dialCase material: Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S5CJ‑GR

    Engineer III Ohio Chronometer

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmOlive green dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S5CJ‑BE

    Engineer III Ohio Chronometer

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmBlue dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S5CJ‑BK

    Engineer III Ohio Chronometer

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmBlack dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S5CJ‑SL

    Engineer III Ohio Chronometer

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmSilver dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • DG9002B‑S2C‑BE

    Engineer III Outlier (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmBlue dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • DG9002B‑S2C‑WH

    Engineer III Outlier (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmWhite dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • DG9002B‑S2C‑BK

    Engineer III Outlier (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmBlack dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • DG9000B‑S2C‑TQ

    Engineer III Outlier (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmTurquoise dialCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9026C‑S15CJ‑BE

    Engineer III Pioneer

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmCase material: 904L stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NL9616C‑S5CJ‑BKR

    Engineer III Pioneer II (36mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 36 mmBlack Enamel dialCase material: 904L Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NL9616C‑S4CJ‑IBE

    Engineer III Pioneer II (36mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 36 mmIce Blue dialCase material: 904L Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NL9616C‑S4CJ‑BK

    Engineer III Pioneer II (36mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 36 mmBlack Enamel dialCase material: 904L Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NL9616C‑S4CJ‑BE

    Engineer III Pioneer II (36mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 36 mmBlue Enamel dialCase material: 904L Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9036C‑S3CJ‑BKR

    Engineer III Pioneer II (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmBlack Enamel dialCase material: 904L Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9036C‑S2CJ‑IBE

    Engineer III Pioneer II (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmIce Blue dialCase material: 904L Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9036C‑S2CJ‑BE

    Engineer III Pioneer II (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmBlue Enamel dialCase material: 904L Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9036C‑S2CJ‑BK

    Engineer III Pioneer II (40mm)

    Lug width: 20 mm

    Source: Maker

    Case size: 40 mmBlack Enamel dialCase material: 904L Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9028C‑S40CJ‑IBE

    Engineer III Pioneer II (43mm)

    Lug width: 21 mm

    Source: Maker

    Case size: 43 mmIce Blue dialCase material: 904L Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9028C‑S40CJ‑BE

    Engineer III Pioneer II (43mm)

    Lug width: 21 mm

    Source: Maker

    Case size: 43 mmBlue Enamel dialCase material: 904L Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9028C‑S40CJ‑BK

    Engineer III Pioneer II (43mm)

    Lug width: 21 mm

    Source: Maker

    Case size: 43 mmBlack Enamel dialCase material: 904L Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NM9028C‑S41CJ‑BKR

    Engineer III Pioneer II (43mm)

    Lug width: 21 mm

    Source: Maker

    Case size: 43 mmBlack Enamel dialCase material: 904L Stainless steel

    Attachment
    classic lugs
    Style
    sport
  • NL1026C‑S4A‑BEGR

    Engineer III Legend (31mm)

    Lug width: 16 mm

    Source: Maker

    Case size: 31 mm

    Style
    sport
  • NL1026C‑S4A‑BKGR

    Engineer III Legend (31mm)

    Lug width: 16 mm

    Source: Maker

    Case size: 31 mm

    Style
    sport

FAQ

What lug width does the Ball Engineer III use?

Ball Engineer III lug width: 16 to 22 mm depending on the reference. The most common is 20 mm (65 of the 91 references with a listed width in our database). Find your exact reference in the table below. The Ball Engineer III ref. NL1026C-S4A-BEGR and NL1026C-S4A-BKGR take 16 mm (listed by the maker). The Ball Engineer III ref. NM9026C-S45C-GY, NL9616C-S10CJ-YTE and 63 more take 20 mm (listed by the maker). The Ball Engineer III ref. NM9328C-S15C-GY, NM9028C-S46CJ-YTE and 19 more take 21 mm (listed by the maker). The Ball Engineer III ref. DG3028C-S1CJ-IBE, DG3028C-S1CJ-BK and 1 more take 22 mm (listed by the maker).

Do all Ball Engineer III references take the same strap?

No. 4 different lug widths appear across the line, often by case size or generation. Check the reference engraved on the case back or between the lugs.

Where do these Ball Engineer III lug widths come from?

From our database, which lists 91 Ball Engineer III references, 91 of them with a listed width. Each reference card says whether the maker lists the width, two independent sources agree on it, or it is not yet verified.

Other Ball collections

Help

What is lug width?

The gap between the two lugs that hold the strap, in millimetres. A new strap must match it exactly: 20 mm lugs take a 20 mm strap.

Measure it in 30 seconds

  1. Take the strap off, or look at the back of it: many straps print their width.
  2. Measure the inside gap between the lugs with a caliper or a millimetre ruler.
  3. Round to the nearest whole millimetre. Most watches use 18, 20 or 22 mm.

Strap, quick release or system?

Most watches use spring bars, so any strap of the right width fits. Many smartwatches use their own band system instead, such as Apple Watch bands or Garmin QuickFit.