Hamilton Watch Strap Sizes
Lug width and strap fitting for every Hamilton model in our index. Tap a watch for the full guide.
Across the 4 Hamilton models with standard lugs in our index, lug widths are 20mm (2), 22mm (2). The most common is 20mm, but don't assume: sizes vary within the brand, so check your exact model below.
Hamilton lug width chart
| Model | Reference | Strap size | Case | Lug-to-lug |
|---|---|---|---|---|
| Khaki Field Mechanical 38 | H69439 | 20mm | 38mm | 46mm |
| Khaki Field Auto 42 | H70535 | 22mm | 42mm | 52mm |
| Jazzmaster | H32475 | 20mm | 40mm | 47mm |
| Khaki Field Murph 42 | H70605 | 22mm | 42mm | — |
Strap size = lug width. Not sure which model you have? Measure it or see the strap size chart for every brand.