BERNY Diver AM151MvsSeiko 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.

BERNY Diver AM151M at true scale

Diver AM151M

Seiko Prospex Sea 1968 Heritage Diver's GMT Limited Edition at true scale

Prospex Sea 1968 Heritage Diver's GMT Limited Edition

Diameter

42.5mm

42mm

Lug-to-Lug

50mm

48.6mm

lowest

Thickness

13mm

lowest

13.3mm

Water Resistance

200m

300m

highest

Power Reserve

n/a

72h

MSRP

$140

lowest

$1,750

Movement

Miyota 8215

Seiko 6R54

Case

5 specs
Diameter
42.5mm
42mm
Thickness
13mm
13.3mm
Lug-to-Lug
50mm
48.6mm
Water Resistance
200m
300m
Caseback
Solid
n/a

Crystal & Dial

3 specs
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
n/a
n/a
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 8215
Seiko 6R54
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$140
$1,750
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Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

BERNY Diver AM151M

Owners widely praise the BERNY BERNY-Men Automatic Diver Watch-AM151M for its appealing orange dial and the fit and finish, with one owner calling it an "absolute lume monster." Some owners express dissatisfaction with the BERNY branding, preferring a logo, and one owner reported poor lume and an accuracy of +17 seconds per day. The watch features a sapphire crystal front and back and 200m water resistance. Overall, owners rate the BERNY BERNY-Men Automatic Diver Watch-AM151M highly for its lume and overall build quality at its price point.

Seiko Prospex Sea 1968 Heritage Diver's GMT Limited Edition

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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