Bernhardt The Cipher DivervsBremont Supermarine 300M


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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.

The Cipher Diver

Supermarine 300M
Diameter
39mm
40mm
Lug-to-Lug
46mm
n/a
Thickness
11.5mm
lowest
12mm
Water Resistance
300m
300m
MSRP
$795
lowest
$3,550
Movement
Miyota 9039
Bremont BE-92AE
Case
4 specsCrystal & Dial
1 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Bernhardt The Cipher Diver is praised for its 39mm case size and sapphire crystal. Owners widely report the bracelet construction and lume are adequate, with one noting the lume is patchy and short-lived. The Miyota 9039 automatic movement is expected to provide reliable timekeeping. Overall, owners rate Bernhardt The Cipher Diver highly for its value and wearable dimensions.
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.
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