Seamaster Aqua Terra 150M Master Chronometer 43 Worldtimer Stainless Steel / Summer Blue / Rubber

In Context

At 43 mm it is a large watch — well above this catalogue’s 40 mm median, and enough to dominate a narrow wrist. 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 winds itself from the motion of your wrist. 60 hours of reserve is enough to set it down on Friday evening and find it still running on Monday. At 25,200 vph the seconds hand advances 7 times a second.

220.12.43.22.03.002 stands on its own in this catalogue — no other reference here shares its base number. It pairs a blue dial with a stainless steel case. Beyond the time it carries a gmt.

Self-winding movement with Co-Axial escapement. Certified Master Chronometer, approved by METAS, resistant to magnetic fields reaching 15,000 gauss. GMT / Worldtimer functions. Free sprung-balance with silicon balance spring; automatic winding in both directions. Rhodium plated finish with Geneva waves in arabesque.

7 other watches in the library run the Omega 8938.

Omega

Seamaster Aqua Terra 150M Master Chronometer 43 Worldtimer Stainless Steel - Ceramic / Green / Rubber

220.32.43.22.10.001 · 43 mm

Omega

Seamaster Planet Ocean 600M Co-Axial Worldtimer 45.5 Master Chronometer GMT Ceramic / Black - Grey / Rubber

215.92.46.22.01.007 · 45.5 mm

Omega

Seamaster Aqua Terra 150M Master Chronometer 43 Worldtimer Stainless Steel / Blue / Rubber

220.12.43.22.03.001 · 43 mm

Omega

Seamaster Aqua Terra 150M Master Chronometer 43 Worldtimer Stainless Steel / Blue / Bracelet

220.10.43.22.03.001 · 43 mm