Bremont Supermarine 300MvsDuFrane Watches Travis 39mm MkII Mechanical Diving
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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
Travis 39mm MkII Mechanical Diving
Diameter
40mm
39mm
Lug-to-Lug
n/a
47mm
Thickness
12mm
12mm
Water Resistance
300m
highest
200m
Power Reserve
n/a
38h
MSRP
$3,550
$899
lowest
Movement
Bremont BE-92AE
Sellita SW200-1
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.
Owners widely praise the DuFrane Watches Travis 39mm MkII Mechanical Diving Watch for its comfortable 39mm sizing and attractive dial features like depth and a sandwich chapter ring, with many appreciating the included strap options. Some owners report the bezel is difficult to turn and question its utility as a dive watch feature. On balance, owners rate the DuFrane Watches Travis 39mm MkII Mechanical Diving Watch highly for its wearability and dial aesthetics, particularly within the American microbrand space.
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