Omega Seamaster 300
Most Omega Seamaster 300 references take a 21 mm watch strap: 27 of 29.
Omega Seamaster 300 lug width by case size
29 references measured. Updated 2026-10-29.
| Case | Lug width | References | Watch strap attachment | For example |
|---|---|---|---|---|
| 39 mm | 19 mm | 2 | — | 234.10.39.20.01.001, 234.10.39.20.01.002 |
| 41 mm | 21 mm | 27 | — | 233.20.41.21.01.001, 233.20.41.21.01.002, 233.22.41.21.01.001 |
Every Omega Seamaster 300 reference
- Seamaster 300 Master Co-Axial Stainless Steel / Sedna Gold / Black / Bracelet233.20.41.21.01.001
21 mm - Seamaster 300 Master Co-Axial Stainless Steel / Yellow Gold / Black / Bracelet233.20.41.21.01.002
21 mm - Seamaster 300 Master Co-Axial Steel Stainless Steel / Yellow Gold / Black / Strap233.22.41.21.01.001
21 mm - Seamaster 300 Master Co-Axial Steel Stainless Steel / Sedna Gold / Strap233.22.41.21.01.002
21 mm - Seamaster 300 Master Co-Axial Stainless Steel / Black / Bracelet233.30.41.21.01.001
21 mm - Seamaster 300 Master Co-Axial Spectre233.32.41.21.01.001
21 mm - Seamaster 300 Master Co-Axial Stainless Steel / Black / Strap233.32.41.21.01.002
21 mm - Seamaster 300 Master Co-Axial Sedna Gold / Black / Bracelet233.60.41.21.01.001
21 mm - Seamaster 300 Master Co-Axial Yellow Gold / Black / Bracelet233.60.41.21.01.002
21 mm - Seamaster 300 Master Co-Axial Titanium / Sedna Gold / Blue / Bracelet233.60.41.21.03.001
21 mm - Seamaster 300 Master Co-Axial Yellow Gold / Black / Strap233.62.41.21.01.001
21 mm - Seamaster 300 Master Co-Axial Sedna Gold / Black / Strap233.62.41.21.01.002
21 mm - Seamaster 300 Master Co-Axial Titanium / Sedna Gold / Blue / Strap233.62.41.21.03.001
21 mm - Seamaster 300 Master Co-Axial Titanium / Blue / Bracelet233.90.41.21.03.001
21 mm - Seamaster 300 Master Co-Axial Platinum / Blue / Bracelet233.90.41.21.03.002
21 mm - Seamaster 300 Master Co-Axial Titanium / Blue / Strap233.92.41.21.03.001
21 mm - Seamaster 300 Master Co-Axial Platinum / Blue / Strap233.93.41.21.03.001
21 mm - Seamaster 300 Master Co-Axial Stainless Steel / Black / Bracelet / 60th Anniversary234.10.39.20.01.001
19 mm - Seamaster 300 Master Co-Axial Stainless Steel / Black / Bracelet / 60th Anniversary / Trilogy Box234.10.39.20.01.002
19 mm - Seamaster 300 Master Chronometer Stainless Steel / Black / Bracelet234.30.41.21.01.001
21 mm - Seamaster 300 Master Chronometer Stainless Steel / Blue / Bracelet234.30.41.21.03.001
21 mm - Seamaster 300 Master Chronometer Stainless Steel / Summer Blue / Bracelet234.30.41.21.03.002
21 mm - Seamaster 300 Master Chronometer Stainless Steel / Black / Strap234.32.41.21.01.001
21 mm - Seamaster 300 Master Chronometer Stainless Steel / Blue / Strap234.32.41.21.03.001
21 mm - Seamaster 300 Co-Axial Master Chronometer Yellow Gold / Malachite234.63.41.21.99.001
21 mm - Seamaster 300 Co-Axial Master Chronometer Yellow Gold / Lapis Lazuli234.63.41.21.99.002
21 mm - Seamaster 300 Master Chronometer Bronze Gold / Brown / Strap234.92.41.21.10.001
21 mm - Seamaster 300 Co-Axial Master Chronometer Platinum / Malachite234.93.41.21.99.001
21 mm - Seamaster 300 Co-Axial Master Chronometer Platinum / Lapis Lazuli234.93.41.21.99.002
21 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 →