Bremont Supermarine 300MvsSynchron 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.
Supermarine 300M
Sealab Ti300M
Diameter
40mm
41mm
Lug-to-Lug
n/a
45mm
Thickness
12mm
11.9mm
lowest
Water Resistance
300m
300m
Power Reserve
n/a
60h
MSRP
$3,550
n/a
Movement
Bremont BE-92AE
La Joux-Perret G100
Case
4 specsCrystal & Dial
1 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Bremont Supermarine 300M is praised for its comfortable 40mm case, which some owners find wears well even on smaller wrists due to its lug design, outperforming some 40mm watches. One forum contributor notes the 40mm case is relatively compact for a 300m diver and is priced at $1375. A reviewer found the 40mm case comfortable. On balance, owners and reviewers appreciate the Bremont Supermarine 300M's wearable 40mm case size and comfortable wearability.
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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