Omega Seamaster
Most Omega Seamaster references take a 20 mm watch strap: 30 of 36.
Omega Seamaster lug width by case size
36 references measured. Updated 2026-10-29.
| Case | Lug width | References | Watch strap attachment | For example |
|---|---|---|---|---|
| 39 mm | 20 mm | 1 | — | ST 176.007 |
| 40 mm | 20 mm | 26 | — | 511.13.40.20.02.001, 511.13.40.20.02.002, 511.13.40.20.03.001 |
| 41 mm | 20 mm | 1 | — | 165.024 |
| not recorded | 18 mm · 20 mm on 2 · 22 mm on 2 · 19 mm on 1 | 8 | — | 135-011, 166-0020, 166-0209 |
References that take a different watch strap
- 166-027: 19 mm
- 166-072: 22 mm
- 176-007: 22 mm
- 210-30-42-20-01-023: 20 mm
- 2264-5: 20 mm
Every Omega Seamaster reference
- Seamaster 135-011135-011
18 mm - Seamaster 300 165.024 (anse a lira)165.024
20 mm - Seamaster 166-0020166-0020
18 mm - Seamaster 166-0209166-0209
18 mm - Seamaster 166-027166-027
19 mm - Seamaster 166-072166-072
22 mm - Seamaster 176-007176-007
22 mm - Seamaster 210-30-42-20-01-023210-30-42-20-01-023
20 mm - Seamaster 2264-52264-5
20 mm - Seamaster Master Co-Axial 39.5 Edizione Venezia Stainless Steel / Silver / Alligator511.13.40.20.02.001
20 mm - Seamaster Master Co-Axial 39.5 New York Edition Stainless Steel / Grey / Alligator511.13.40.20.02.002
20 mm - Seamaster Master Co-Axial 39.5 London Edition Stainless Steel / Blue / Alligator511.13.40.20.03.001
20 mm - Seamaster Master Co-Axial 39.5 Moscow Edition Stainless Steel / Blue / Alligator511.13.40.20.03.002
20 mm - Seamaster Master Co-Axial 39.5 Singapore Edition Stainless Steel / White / Alligator511.13.40.20.04.002
20 mm - Seamaster Master Co-Axial 39.5 Paris Edition Stainless Steel / Grey / Alligator511.13.40.20.06.001
20 mm - Seamaster Master Co-Axial 39.5 Swiss Edition Stainless Steel / Silver / Alligator511.13.40.20.06.002
20 mm - Seamaster Master Co-Axial 39.5 UAE Edition Stainless Steel / Grey / Alligator511.13.40.20.06.003
20 mm - Seamaster Master Co-Axial 39.5 Macau Edition Stainless Steel / Green / Alligator511.13.40.20.10.001
20 mm - Seamaster Master Co-Axial 39.5 Hong Kong Edition Stainless Steel / Red / Alligator511.13.40.20.11.001
20 mm - Seamaster Master Co-Axial 39.5 Omega Boutique Edition Stainless Steel / Red / Alligator511.13.40.20.11.002
20 mm - Seamaster Master Co-Axial 39.5 Edizione Venezia Sedna Gold / Silver / Alligator511.53.40.20.02.001
20 mm - Seamaster Master Co-Axial 39.5 Olympic Timekeeper Stainless Steel / Black / Blue522.32.40.20.01.001
20 mm - Seamaster Master Co-Axial 39.5 Olympic Timekeeper Stainless Steel / Black / Yellow522.32.40.20.01.002
20 mm - Seamaster Master Co-Axial 39.5 Olympic Timekeeper Stainless Steel / Black / Black522.32.40.20.01.003
20 mm - Seamaster Master Co-Axial 39.5 Olympic Timekeeper Stainless Steel / Black / Red522.32.40.20.01.004
20 mm - Seamaster Master Co-Axial 39.5 Olympic Timekeeper Stainless Steel / Black / Green522.32.40.20.01.005
20 mm - Seamaster Master Co-Axial 39.5 Olympic Timekeeper Stainless Steel / White / Blue522.32.40.20.04.001
20 mm - Seamaster Master Co-Axial 39.5 Olympic Timekeeper Stainless Steel / White / Yellow522.32.40.20.04.002
20 mm - Seamaster Master Co-Axial 39.5 Olympic Timekeeper Stainless Steel / White / Black522.32.40.20.04.003
20 mm - Seamaster Master Co-Axial 39.5 Olympic Timekeeper Stainless Steel / White / Red522.32.40.20.04.004
20 mm - Seamaster Master Co-Axial 39.5 Olympic Timekeeper Stainless Steel / White / Green522.32.40.20.04.005
20 mm - Seamaster Master Co-Axial 39.5 Olympic Games Gold Yellow Gold / Enamel / Alligator522.53.40.20.04.001
20 mm - Seamaster Master Co-Axial 39.5 Olympic Games Gold Canopus / Enamel / Alligator522.53.40.20.04.002
20 mm - Seamaster Master Co-Axial 39.5 Olympic Games Gold Sedna Gold / Enamel / Alligator522.53.40.20.04.003
20 mm - Seamaster Master Co-Axial 39.5 Olympic Games Platinum / Enamel / Alligator522.93.40.20.01.001
20 mm - Seamaster ChronographST 176.007
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 →