Every reference with a known width takes the same strap size. Your reference is engraved on the case back or between the lugs at 6 o'clock.
20 mm
Verification: Listed by the maker for ref. 792.810‑‑1, 792.810‑6429 and 5 more
36 to 39 mm cases · 2026
Official page: Hanhart
Report an errorIndicative information. Check your watch before buying a strap: whatsmylugwidth.com is not responsible for an incorrect size.
The Hanhart Pioneer Preventor HD12 takes a 20 mm strap: all 8 references with a listed width in our database use 20 mm. Check the reference on your case back to be sure.
Hanhart Pioneer Preventor HD12 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.
Pioneer Preventor HD12 MAD Preventor HD12 36 mm
Lug width: 20 mm
Source: DatabaseCase size: 36 mmBrown dialCase material: Stainless steel
Pioneer Preventor HD12 MAD Preventor HD12 36 mm Leather Strap
Lug width: 20 mm
Source: MakerCase size: 36 mmYear: 2026Brown dialCase material: Hardened HD12 steel
PIONEER Preventor HD12™ black, 39 mm
Lug width: 20 mm
Source: MakerCase size: 39 mmBlack dialCase material: Satin-finished/polished, hardened HD12™ steel
PIONEER Preventor HD12™ black, 39 mm
Lug width: 20 mm
Source: MakerCase size: 39 mmBlack dialCase material: Satin-finished/polished, hardened HD12™ steel
PIONEER Preventor HD12™ blue, 39 mm
Lug width: 20 mm
Source: MakerCase size: 39 mmDark blue dialCase material: Satin-finished/polished, hardened HD12™ steel
PIONEER Preventor HD12™ blue, 39 mm
Lug width: 20 mm
Source: MakerCase size: 39 mmDark blue dialCase material: Satin-finished/polished, hardened HD12™ steel
Pioneer Preventor HD12 Steel Bracelet
Lug width: 20 mm
Source: MakerCase size: 36 mmBrown dialCase material: Stainless steel
Pioneer Preventor HD12 Preventor HD12™ «Silk Purple», 39 mm
Lug width: 20 mm
Source: MakerCase size: 39 mmPurple dialCase material: Satin-finished/polished, hardened HD12™ steel
No reference matches.
The Hanhart Pioneer Preventor HD12 takes a 20 mm strap: all 8 references with a listed width in our database use 20 mm. Check the reference on your case back to be sure. The Hanhart Pioneer Preventor HD12 ref. 792.810--1, 792.810-6429 and 5 more take 20 mm (listed by the maker).
From our database, which lists 8 Hanhart Pioneer Preventor HD12 references, 8 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.
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.
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.