DOXA SUB 250T GMTvsSynchron Sealab Ti300M
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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.

SUB 250T GMT

Sealab Ti300M
Diameter
40mm
41mm
Lug-to-Lug
n/a
45mm
Thickness
n/a
11.9mm
Water Resistance
250m
300m
highest
Power Reserve
50h
60h
highest
MSRP
$2,790
n/a
Movement
Automatic
La Joux-Perret G100
Case
6 specsCrystal & Dial
2 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
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.
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.
The Synchron SEALAB Ti300M is praised for its 11.9mm brushed Grade 5 titanium case, offering a thinner profile than many dive watches. Owners find enjoyment in its specifications and appearance, noting its resemblance to the Doxa Sub300. The La Joux-Perret G100 movement is highlighted for its Soigné grade finishing and 60-hour power reserve, all presented at a compelling price point. Overall, owners and reviewers rate the Synchron SEALAB Ti300M highly for its comfortable, thinner case design and well-finished movement at the price.
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