Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer
The Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer was a 55 mm Grade 5 titanium dive watch with an Omega 8912 automatic movement. At 55 mm across, no other titanium dive watch in the guide is larger, out of 359. Rated to 1,200 m, it goes deeper than 93% of the 361 titanium dive watches in the guide. It is no longer made, so this page is a reference for buying one used.

- 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 grade of titanium is the Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer?
Grade 5, as stated by the maker. The caseback is titanium too.
What size is the Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer?
The case is 55 mm across, 18.26 mm thick and 48 mm from lug to lug. It is water resistant to 1,200 m.
How much does the Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer weigh?
About 169 g on its bracelet.
How much does the Omega Seamaster Ploprof 1200M Co-Axial Master Chronometer cost, and is it available?
It is no longer made, so the only way to buy one is used.
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