Bremont Supermarine 300MvsCertina DS Action Diver 43mm 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 Action Diver 43mm Powermatic 80
Diameter
40mm
43mm
Lug-to-Lug
n/a
45.0mm
Thickness
12mm
lowest
13.2mm
Water Resistance
300m
300m
Power Reserve
n/a
80h
MSRP
$3,550
$1,045
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.
The Certina DS Action Diver 43mm Powermatic 80 is widely praised for its exceptional value, robust build quality, and sporty character, with owners highlighting its striking sunburst blue dial and precise bezel alignment. Some reviewers note the 43mm size and NATO strap can make it thick for under-cuff wear, and one owner found the end links did not perfectly match the case. Accuracy figures vary, with one report of 3-6 seconds per day and another of +45 seconds over 47 days. Overall, owners and reviewers consider the Certina DS Action Diver 43mm Powermatic 80 an excellently priced and well-built tool watch that offers significant value for its price.
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