Omega Seamaster Aqua Terra 150M Co Axial Master Chronometer GMT Worldtimer 43mmvsOmega Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm

Ref. 220.53.43.22.02.001·MSRP $35,200

Ref. 304.63.44.52.01.001·MSRP $42,400
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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Seamaster Aqua Terra 150M Co Axial Master Chronometer GMT Worldtimer 43mm

Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm
Diameter
43mm
44.3mm
Lug-to-Lug
50.3mm
50mm
lowest
Thickness
14.1mm
lowest
16.9mm
Water Resistance
150m
highest
100m
Power Reserve
60h
60h
MSRP
$35,200
lowest
$42,400
Movement
Omega 8938
Omega 9904
Case
5 specsCrystal & Dial
1 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Omega Seamaster Aqua Terra 150M Co Axial Master Chronometer GMT Worldtimer 43mm for its incredible finishing, METAS certified co-axial movement, and value. Reviewers highlight the captivating world map dial technique and smooth winding action, with one owner noting excellent accuracy at -1s/d. The watch is considered a brilliant, versatile everyday wear with robust 150m water resistance and legible lume. However, some find the 43mm size substantial, the dial design potentially overdone, and the date adjustment slower than traditional quick-set features. A few owners have noted minor dial printing misalignments on specific city markers. Overall, owners and reviewers rate the Omega Seamaster Aqua Terra 150M Co Axial Master Chronometer GMT Worldtimer 43mm highly for its exceptional finishing and versatile design at its price point.
The Omega Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm is widely praised for its detailed and photorealistic moonphase complication, featuring a boot print Easter egg, and its exceptional finishing, including a ceramic bezel and sun-brushed dial. Owners and reviewers consistently highlight the beauty of the complication and the overall build quality. However, the watch's 44.25mm case size and considerable thickness (around 16.85mm to 17mm) are frequently noted as making it wear large and potentially challenging to fit under dress cuffs, with some suggesting it feels "chunky" or like a "beast." One reviewer found the crown guards sharp when winding and the crown difficult to pull out. On balance, owners and reviewers appreciate the Omega Speedmaster Moonphase Co Axial Master Chronometer Moonphase Chronograph 44 25mm for its stunning moonphase detail and high-end finishing, despite its substantial size.
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