Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer
The Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer is a discontinued diver watch with a grade 5 (bracelet grade 2) titanium case. At 169 g it sits among the heavier diver watches in the guide. It ships on a matching titanium bracelet rather than a strap. No longer offered new; listed here as an archive reference for the used market.

- Reference
- 227.90.55.21.99.002
- Type
- Diver
- Price
- – · No longer offered; the maker's own page shows no price ("Sorry, but this watch is no longer available")
- Case diameter
- 55.0 mm
- Thickness
- 18.26 mm
- Lug-to-lug
- 48 mm
- Origin
- Switzerland
- Movement
- Self-winding
- Caliber
- Omega 8912
- Power reserve
- 60 hours
- Complications
- Time only
- Colour
- Grey
- Finish technology
- Natural finish
- Caseback
- Titanium (display, sapphire)
- Nickel-free
- Unconfirmed (clasp or buckle material not confirmed)
- Bracelet / strap
- Polished Grade 2 titanium "sharkproof" mesh bracelet; additional grey rubber strap included
- Matching bracelet
- Standard
- Crystal
- Flat sapphire, AR coated both sides
- Display back
- Yes
- Dial
- Grey with orange and white hands
- Dial colours
- Grey Orange
- Lume
- Super-LumiNova
- Availability
- No longer offered
- Status
- No longer offered (maker page: "Sorry, but this watch is no longer available")
- Not published
- Hardness, Construction, Surface treatment
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Frequently asked questions
What is the case material of the Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer?
The Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer has a grade 5 (bracelet grade 2) titanium case with a titanium (display, sapphire) caseback. This is confirmed against the maker spec.
What size is the Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer?
It is 55.0 mm in diameter, 18.26 mm thick, 48 mm lug to lug, and water resistant to 1200 m.
How much does the Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer weigh?
About 169 g (w/ bracelet).
How much does the Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer cost, and is it available?
It is no longer offered new; the guide keeps it as an archive reference for the used market.
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