BERNY Diver AM155MSvsSeiko Prospex Sea 1968 Heritage Diver's GMT Limited Edition
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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.

Diver AM155MS

Prospex Sea 1968 Heritage Diver's GMT Limited Edition
Diameter
42mm
42mm
Lug-to-Lug
50mm
48.6mm
lowest
Thickness
13mm
lowest
13.3mm
Water Resistance
200m
300m
highest
Power Reserve
n/a
72h
MSRP
$155
lowest
$1,750
Movement
Miyota 8215
Seiko 6R54
Case
4 specsCrystal & Dial
3 specsMovement
3 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the BERNY BERNY-Men Automatic Diver Watch-AM155MS for its excellent lume, comfortable fit, and solid build quality, with one owner calling it an incredible beater watch for the price. The watch features a Miyota 8215 automatic movement, 200m water resistance, a 42mm case, and sapphire crystals front and back. Some owners dislike the prominent "BERNY" brand name on the dial, preferring a logo, and one owner noted an issue with the date function. Overall, owners rate the BERNY BERNY-Men Automatic Diver Watch-AM155MS highly for its exceptional value and impressive lume at its price point.
The Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition is widely praised for its excellent quality and finishing for its price, with reviewers highlighting its beautiful case, bracelet, and Lumibrite lume. Owners appreciate the comfortable 42mm case size and the 4 o'clock crown position. The watch features a sapphire crystal and uses the in-house 6R54 automatic movement with a three-day power reserve. Some reviewers note that the GMT function is secondary and that the bezel clicks are quieter than expected. The 4:30 date window splits opinion among enthusiasts, and it is described as a "caller GMT" rather than a true "traveller GMT." Overall, owners and reviewers rate the Seiko Prospex Sea 1968 Heritage Diver's GMT Watch Limited Edition highly for its excellent value, quality finishing, and comfortable wearability.
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