Seamaster PloProf Co-Axial Master Chronometer 227.90.55.21 Reference 227. 90. 55. 21. 01. 001
Seamaster PloProf Co-Axial Master Chronometer Titanium / Black
Overview
The Omega Seamaster PloProf Co-Axial Master Chronometer 227.90.55.21 has a 55 mm Titanium case. It runs on the self-winding Omega calibre 8912 with a 60 hour power reserve and is water resistant to 1,200 metres. The model has 4 references, which differ in dial colour (black, white and grey). It comes on a titanium bracelet and is no longer in production.
- Case diameter
- 55 mm
- 18.26 mm thick
- Movement
- Calibre 8912
- Water resistance
- 1200 m
- Power reserve
- 60 h
Specifications
Specifications from Omega and WatchBase. Last checked . SourcesCase
- Diameter
- 55 mm
- Thickness
- 18.26 mm
- Material
- Titanium
- Crystal
- Sapphire
- Water resistance
- 1200 m
- Weight
- 173 g
Dial
- Colour
- Black
Movement
- Calibre
- Omega 8912
- Type
- Automatic
- Power reserve
- 60 h
Bracelet or strap
- Bracelet or strap
- Bracelet: Titanium
Not yet recorded: lug width, lug-to-lug, case back, shape, indexes, hands, functions, years.
Other versions of the Seamaster PloProf Co-Axial Master Chronometer 227.90.55.21
The Omega Seamaster PloProf Co-Axial Master Chronometer 227.90.55.21 covers 4 references, with a 55 mm case. All use the Omega calibre 8912.
- Omega Seamaster PloProf Co-Axial Master Chronometer 227.90.55.21, reference 227.

90. 55. 21. 01. 001 - Omega Seamaster PloProf Co-Axial Master Chronometer 227.90.55.21, reference 227.

90. 55. 21. 04. 001 - Omega Seamaster PloProf Co-Axial Master Chronometer 227.90.55.21, reference 227.

90. 55. 21. 99. 001 - Omega Seamaster PloProf Co-Axial Master Chronometer 227.90.55.21, reference 227.

90. 55. 21. 99. 002
Compare all 4 references in a table
| Reference | Dial | Case | Size | Produced |
|---|---|---|---|---|
| 227.90.55.21.01.001 | Black | Titanium | 55 mm | – |
| 227.90.55.21.04.001 | White | Titanium | 55 mm | – |
| 227.90.55.21.99.001 | Grey | Titanium | 55 mm | – |
| 227.90.55.21.99.002 | Grey | Titanium | 55 mm | – |
Seamaster PloProf Co-Axial Master Chronometer 227.90.55.21 questions
What size is the Omega Seamaster PloProf Co-Axial Master Chronometer 227.90.55.21?
The Omega Seamaster PloProf Co-Axial Master Chronometer 227.90.55.21 has a 55 mm case.
What movement does the Omega Seamaster PloProf Co-Axial Master Chronometer 227.90.55.21 use?
It uses the Omega calibre 8912.
What is the Omega Seamaster PloProf Co-Axial Master Chronometer 227.90.55.21 case made of?
The case is titanium.
Is the Omega Seamaster PloProf Co-Axial Master Chronometer 227.90.55.21 water resistant?
It is rated to 1200 m.
How many Omega Seamaster PloProf Co-Axial Master Chronometer 227.90.55.21 references are there?
Our database lists 4 references.



