Omega Seamaster Bullhead
Most Omega Seamaster Bullhead references take a 22 mm watch strap: 3 of 5.
Omega Seamaster Bullhead lug width by case size
5 references measured. Updated 2026-10-29.
| Case | Lug width | References | Watch strap attachment | For example |
|---|---|---|---|---|
| 42 mm | 20 mm | 1 | — | ST 146.011 |
| 43 mm | 22 mm · 20 mm on 1 | 4 | — | 225.12.43.50.01.001, 225.12.43.50.04.001, 522.12.43.50.04.001 |
References that take a different watch strap
- 225.12.43.50.02.001: 20 mm, not the 22 mm of most 43 mm cases
Every Omega Seamaster Bullhead reference
- Seamaster Bullhead Co-Axial Chronograph Black225.12.43.50.01.001
22 mm - Seamaster Bullhead Co-Axial Chronograph Silver225.12.43.50.02.001
20 mm - Seamaster Bullhead Co-Axial Chronograph White225.12.43.50.04.001
22 mm - Seamaster Bullhead Co-Axial Chronograph Rio 2016522.12.43.50.04.001
22 mm - Seamaster Bullhead 930ST 146.011
20 mm
Other Omega families
Inside each one the lug width often changes: it is the reference that decides.
- Constellation 945
- De Ville 754
- Aqua Terra 584
- Seamaster Diver 300M 272
- Seamaster Planet Ocean 242
- Speedmaster (Non-Moonwatch) 196
- Speedmaster Moonwatch 163
- LadyMatic 103
- Trésor 99
- Museum Collection 64
- Speedmaster Broad Arrow 45
- Speedmaster Reduced 45
All Omega families → · Why the size changes inside a family →