Omega · Automatic
1109
The 1109 is Omega's ETA 2892-A2 of the early 1990s, the non-chronometer automatic of the mid-size Seamaster. It powers 19 watches in this library.
- Winding
- Automatic
- Power Reserve
- 44 hours
- Frequency
- 28,800 vph (4 Hz)
- Jewels
- 21
- Diameter
- 25.6 mm
About the Omega 1109
The 2892 is the thin automatic the 2892 piece describes, and the 1109 is that base with Omega's finishing, 21 jewels, a 44-hour reserve and a beat of 28,800 vph at 25.6 mm across. The 1120 that followed is the same movement adjusted and certified as a chronometer, with two more jewels, and the two ran side by side in the Seamaster of the 1990s.
In the library it powers 11 Seamaster 120M references at 36.25 mm, most of them in yellow gold, and 8 Seamaster Diver 300M mid-size references.
The 2500 is the co-axial movement Omega later built on the same base.
Watches with this movement
19
Omega
Seamaster Diver 300M Automatic 36.25 Stainless Steel / White / Bracelet
2552.20.00 · 36.25 mm
Omega
Seamaster Diver 300M Automatic 36.25 Stainless Steel / Yellow Gold / Blue / Bracelet
2452.80.00 · 36.25 mm
Omega
Seamaster Diver 300M Automatic 41 Stainless Steel / Yellow Gold / White / Bracelet
2432.20.00 · 41 mm
Omega
Seamaster Diver 300M Automatic 36.25 Yellow Gold / White / Bracelet
2151.20.00 · 36.25 mm
Omega
Seamaster Diver 300M Automatic 36.25 Stainless Steel / Yellow Gold / White / Bracelet
2452.20.00 · 36.25 mm
Omega
Seamaster 120M Automatic 36.25 Yellow Gold / Champagne
2101.11.00 · 36.25 mm
Omega
Seamaster 120M Automatic 36.25 Yellow Gold / Diamond / Champagne
2105.10.00 · 36.25 mm
Omega
Seamaster Diver 300M Automatic 41 Stainless Steel / Yellow Gold / Blue / Bracelet
2432.80.00 · 41 mm
Omega
Seamaster Diver 300M Automatic 41 Yellow Gold / Blue / Bracelet / Bond
2133.80.00 · 41 mm
Omega
Seamaster Diver 300M Automatic 36.25 Yellow Gold / Blue / Bracelet
2153.80.00 · 36.25 mm
Omega
Seamaster 120M Automatic 36.25 Yellow Gold / Diamond / Blue
2105.80.00 · 36.25 mm
Omega
Seamaster 120M Automatic 36.25 Yellow Gold / Diamond / Blue
2105.81.00 · 36.25 mm
Omega
Seamaster 120M Automatic 36.25 Yellow Gold / White
2101.21.00 · 36.25 mm
Omega
Seamaster 120M Automatic 36.25 Yellow Gold / Blue
2101.81.00 · 36.25 mm
Omega
Seamaster 120M Automatic 36.25 Yellow Gold / Diamond / White
2105.20.00 · 36.25 mm
Omega
Seamaster 120M Automatic 36.25 Yellow Gold / Diamond / Champagne
2105.15.00 · 36.25 mm
Omega
Seamaster 120M Automatic 36.25 Yellow Gold / Diamond / Champagne
2105.11.00 · 36.25 mm
Omega
Seamaster 120M Automatic 36.25 Yellow Gold / Diamond / Blue
2105.45.00 · 36.25 mm
Omega
Seamaster 120M Automatic 36.25 Yellow Gold / Diamond / White
2105.21.00 · 36.25 mm
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