Omega Seamaster Aqua Terra 150M Co Axial Master Chronometer GMT Worldtimer 43mmvsSchwarz-Etienne 1902 GMT

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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.

Omega Seamaster Aqua Terra 150M Co Axial Master Chronometer GMT Worldtimer 43mm at true scale

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

Schwarz-Etienne 1902 GMT at true scale

1902 GMT

Diameter

43mm

39mm

Lug-to-Lug

50.3mm

n/a

Thickness

14.1mm

10.9mm

lowest

Water Resistance

150m

highest

50m

Power Reserve

60h

86h

highest

MSRP

$10,900

lowest

$24,346

Movement

Omega 8938

ASE 320.00

Case

7 specs
Diameter
43mm
39mm
Thickness
14.12mm
10.9mm
Lug-to-Lug
50.3mm
n/a
Lug Width
21mm
n/a
Material
Stainless Steel
Titanium
Finish
Steel
n/a
Water Resistance
150m
50m

Crystal & Dial

2 specs
Crystal Shape
Domed
n/a
Dial Color
Blue
n/a

Movement

4 specs
Caliber
Omega 8938
ASE 320.00
Power Reserve
60h
86h
Hacking
Yes
No
Hand-winding
Yes
No

Pricing

1 specs
MSRP
$10,900
$24,346
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

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

Owners widely praise the Omega Seamaster Aqua Terra 150M Co Axial Master Chronometer GMT Worldtimer 43mm for its incredible finishing, METAS-certified movement, and stunning laser-ablated world map dial, with accuracy consistently reported around +1 to +2 seconds per day. Reviewers and owners alike highlight its value for Omega's manufacturing quality and advanced movement technology, noting its usefulness as a travel complication. However, some find the 43mm x 14.12mm case size polarizing and potentially challenging for smaller wrists, while others point to issues like misaligned dial elements on certain batches, a bracelet that lacks tool-less adjustment, a polished bezel prone to scratches, and a small 24-hour inner ring font and tiny crown as usability flaws. On balance, owners and reviewers rate the Omega Seamaster Aqua Terra 150M Co Axial Master Chronometer GMT Worldtimer 43mm highly for its striking dial and excellent finishing at its price point.

Schwarz-Etienne 1902 GMT

Owners and reviewers widely praise the Schwarz-Etienne 1902 GMT for its slim 39mm titanium case and the unique, in-house ASE 320.000 micro-rotor automatic movement. Its multi-level dial, featuring Urushi lacquer and gold accents on the 24-hour scale, is noted for excellent legibility and sharp markers. The watch is priced around CHF 19,850 to 21,500. On balance, owners and reviewers rate the Schwarz-Etienne 1902 GMT highly for its distinctive in-house micro-rotor movement and refined dial finishing at its price point.