Bremont Supermarine 300MvsCertina DS Powermatic 80


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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

DS Powermatic 80
Diameter
40mm
41mm
Thickness
12mm
10.9mm
lowest
Water Resistance
300m
highest
100m
Power Reserve
n/a
80h
MSRP
$3,550
$1,100
lowest
Movement
Bremont BE-92AE
POWERMATIC 80.611
Case
5 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 Certina DS Powermatic 80 for its value, with many citing its clean dial designs, applied indices, and 80-hour power reserve as key strengths. Some enthusiasts find its build quality good for the price point, and its versatility allows it to be dressed up or down. Accuracy is generally reported as good, with one owner noting it under 5 seconds per day. However, some find the 41mm case wears large, appearing closer to 42mm, and the lug-to-lug of 44mm is considered large for a dress watch by some. One owner reported a date display malfunction, potentially related to an automatic winder. Overall, owners and reviewers rate the Certina DS Powermatic 80 highly for its excellent value and versatile design.
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