Lug widths by size

20 mm, 22 mm, 18 mm are the most common lug widths: together 75% of 30,916 watch references with a confirmed width.

10 mm50
11 mm16
12 mm99
13 mm50
14 mm202
15 mm96
16 mm237
17 mm108
18 mm3,728
19 mm1,941
20 mm10,768
21 mm2,444
22 mm8,782
23 mm737
24 mm1,570
26 mm88

Pick your size

10 mm50 watches 11 mm16 watches 12 mm99 watches 13 mm50 watches 14 mm202 watches 15 mm96 watches 16 mm237 watches 17 mm108 watches 18 mm3,728 watches 19 mm1,941 watches 20 mm10,768 watches 21 mm2,444 watches 22 mm8,782 watches 23 mm737 watches 24 mm1,570 watches 26 mm88 watches

Not sure of your size?

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

Take the strap off, or look at the back of it: many straps print their width.
Measure the inside gap between the lugs with a caliper or a millimetre ruler.
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.