Omega
Seamaster Aqua Terra Worldtimer Master Chronometer
220.12.43.22.03.001
A 43 mm world-timer that pairs Aqua Terra refinement with Master Chronometer precision.
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Overview
The Omega Seamaster Aqua Terra Worldtimer Master Chronometer (ref. 220.12.43.22.03.001) is a 43 mm stainless steel travel watch introduced in 2020. Its blue dial centres on a world-time map display, allowing simultaneous reading of all major time zones at a glance. The movement, Calibre 8938, carries METAS Master Chronometer certification, the most stringent standard in Swiss watchmaking.
History
Omega introduced the Aqua Terra Worldtimer to the Seamaster family in 2020, extending a line long associated with refined, sport-adjacent dress watches into the travel-watch category. The reference builds on Omega's sustained investment in in-house movement development, culminating in the Co-Axial Master Chronometer platform. Collector interest in the piece reflects both the practical appeal of a true world-timer complication and the prestige of METAS certification, which guarantees performance in magnetic fields up to 15,000 gauss.
Notable points
- Calibre 8938 is a Co-Axial Master Chronometer movement certified by METAS to resist magnetic fields exceeding 15,000 gauss.
- The blue dial features a central world-time map, with city-disc and 24-hour ring enabling simultaneous display of all major time zones.
- The 43 mm stainless steel case sits within the Seamaster Aqua Terra family, known for its horizontal 'teak' pattern and dressy-sport aesthetic.
- Master Chronometer certification requires passing eight tests conducted jointly by Omega and the Swiss Federal Institute of Metrology (METAS).
- The Worldtimer complication, historically associated with haute horlogerie, is here integrated into a broadly wearable, sport-influenced case.
Specifications
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