Seamaster Aqua Terra 150M Master Chronometer 41 Ultra Light Titanium / Grey - Orange / Rubber

In Context

At 41 mm it is sized to the current mainstream: 40 mm is the median across every watch measured in this catalogue. The case back is open, so the movement is visible without taking the watch apart, and the sapphire crystal will resist everything short of deliberate abuse. 150 m is genuine swimming resistance — more than the shape of this watch suggests it would need.

The movement is hand-wound, so winding it becomes part of the day rather than something the watch does for you. 72 hours of reserve puts it well past a weekend — several days off the wrist and it is still going. At 25,200 vph the seconds hand advances 7 times a second.

220.92.41.21.06.003 stands on its own in this catalogue — no other reference here shares its base number. It pairs a grey dial with a titanium case. Introduced in 2019.

Manual-winding movement with Co-Axial escapement. Bridges and main plate in ceramised titanium. Certified Master Chronometer, approved by METAS, resistant to magnetic fields reaching 15,000 gauss. Free-sprung balance with silicon balance spring, two barrels mounted in series. Time zone function.

3 other watches in the library run the Omega 8928.

Omega

Seamaster Aqua Terra 150M Master Chronometer 41 Ultra Light Titanium / Grey - Red / Rubber

220.92.41.21.06.001 · 41 mm

Omega

Seamaster Aqua Terra 150M Master Chronometer 41 Ultra Light Titanium / Grey - Blue / Rubber

220.92.41.21.06.002 · 41 mm

Omega

Seamaster Aqua Terra 150M Master Chronometer 41 Ultra Light Armand “Mondo” Duplantis

220.92.41.21.03.002 · 41 mm