Bremont Supermarine 300MvsPeacock Watches Just Dive

The measurements
Sized up.
Catalogue photos are all shot at the same flattering size. These aren't: every case below shares one millimetre scale.

Supermarine 300M

Just Dive
Diameter
40mm
42mm
Thickness
12mm
lowest
13.1mm
Water Resistance
300m
300m
Power Reserve
n/a
42h
MSRP
$3,550
$1,399
lowest
Movement
Bremont BE-92AE
Peacock SL-1702
Case
4 specsCrystal & Dial
1 specsMovement
2 specsPricing
1 specsWhat people say
Owners + reviewers, side by side.
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 Peacock Watches' dial for its intricate, multi-layered translucent enamel finish, a result of an eight-hour artisan process. Some owners note the vibrant blue dial can be eye-catching in bright light. One owner expressed concern about a potentially misaligned date window at its price point. Overall, owners rate Peacock Watches highly for its artisan dial finishing and unique aesthetic.
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