Formex Motorsport
Every Formex Motorsport reference takes a 25 mm watch strap: all 9 we measured.
Formex Motorsport lug width by case size
9 references measured. Updated 2026-10-29.
| Case | Lug width | References | Watch strap attachment | For example |
|---|---|---|---|---|
| 47 mm | 25 mm | 9 | — | 3100.1.8140.100, 3100.1.8140.216, 3100.1.8140.910 |
Every Formex Motorsport reference
- Motorsport Automatic Chronograph Red Bezel / Black / Bracelet3100.1.8140.100
25 mm - Motorsport Automatic Chronograph Red Bezel / Black / Calf3100.1.8140.216
25 mm - Motorsport Automatic Chronograph Red Bezel / Black / Rubber3100.1.8140.910
25 mm - Motorsport Automatic Chronograph PVD / Red Bezel / Black / Bracelet3100.4.8122.110
25 mm - Motorsport Automatic Chronograph PVD / Red Bezel / Black / Calf3100.4.8122.216
25 mm - Motorsport Automatic Chronograph PVD / Red Bezel / Black / Rubber3100.4.8122.910
25 mm - Motorsport Automatic Chronograph PVD / Carbon Bezel / Black / Limited Edition / Bracelet3100.9.8299.110
25 mm - Motorsport Automatic Chronograph PVD / Carbon Bezel / Black / Limited Edition / Calf3100.9.8299.216
25 mm - Motorsport Automatic Chronograph PVD / Carbon Bezel / Black / Limited Edition / Rubber3100.9.8299.910
25 mm
Other Formex families
Inside each one the lug width often changes: it is the reference that decides.
All Formex families → · Why the size changes inside a family →