DOXA SUB 250T GMTvsSynchron Poseidon

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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.

DOXA SUB 250T GMT at true scale

SUB 250T GMT

Synchron Poseidon at true scale

Poseidon

Diameter

40mm

41mm

Lug-to-Lug

n/a

45mm

Thickness

n/a

11.9mm

Water Resistance

250m

300m

highest

Power Reserve

50h

68h

highest

MSRP

$2,790

n/a

Movement

Automatic

La Joux-Perret G100

Case

6 specs
Diameter
40mm
41mm
Thickness
n/a
11.9mm
Lug-to-Lug
n/a
45mm
Lug Width
n/a
20mm
Material
Stainless Steel
Titanium
Water Resistance
250m
300m

Crystal & Dial

2 specs
AR Coating
Yes
n/a
Dial Color
Aquamarine
Sunshine Yellow

Movement

2 specs
Caliber
n/a
La Joux-Perret G100
Power Reserve
50h
68h

Pricing

1 specs
MSRP
$2,790
n/a
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Reviews

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

DOXA SUB 250T GMT

The DOXA SUB 250T GMT is widely praised for its compact 40mm case, slim 10.85mm thickness, and sub-43mm lug-to-lug measurement, making it exceptionally comfortable and wearable. Reviewers highlight its functional GMT complication, precise bezel action, and the classic Doxa design language, noting its competitive pricing around €2,550 or $2,450. The skeletonized GMT hand is a point of discussion, with some finding it quirky or less intuitive, though others note it looks better in person and is easy to ignore for dive purposes. The watch is available in nine dial colors, with specific limited editions carrying a slight premium. Overall, reviewers rate the DOXA SUB 250T GMT highly for its wearable dimensions and value proposition as a capable dive watch with added GMT functionality.

From video reviewers

The watch's refined and wearable 42mm case size is a strength. Reviewers noted the iconic Doxa aesthetic combined with GMT functionality. No shared weaknesses were identified.

Synchron Poseidon

Owners widely praise the Synchron Poseidon for its vintage-inspired diver aesthetics, easy-to-read dial, and precise, grippy bezel. The La Joux-Perret G100 movement is consistently noted as a strong point, with owners reporting good timekeeping, one seeing accuracy around -4 seconds per day, and others highlighting its 68-hour power reserve. The winding action and crown operation are described as reassuring, with one reviewer stating it surpasses watches at double the price. Some find the design busy or the branding confusing, and the blasted finish on the steel bezel rim contrasts with the brushed case. One owner noted the included Isofrane strap can be long for smaller wrists. On balance, owners and reviewers rate the Synchron Poseidon highly for its robust build, reliable movement, and excellent value.