BERNY Compressor-style Diver V3 AM339MSvsSeiko 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 Compressor-style Diver V3 AM339MS at true scale

Compressor-style Diver V3 AM339MS

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

Prospex Sea 1968 Heritage Diver's GMT Limited Edition

Diameter

41.5mm

42mm

Lug-to-Lug

49mm

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

6 specs
Diameter
41.5mm
42mm
Thickness
13mm
13.3mm
Lug-to-Lug
49mm
48.6mm
Lug Width
22mm
20mm
Water Resistance
200m
300m
Caseback
Exhibition
n/a

Crystal & Dial

4 specs
Crystal
n/a
Sapphire
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
n/a
72h
Jewels
0
24

Pricing

1 specs
MSRP
$155
$1,750
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Reviews

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

BERNY Compressor-style Diver V3 AM339MS

Owners widely praise the BERNY BERNY-Men Automatic Compressor-style Diver Watch V3-AM339MS for its solid build, comfortable wear, and exceptional lume, with some noting its unique multi-colored lume and internal bezel design. The watch is considered high-quality and a strong value within the Chinese watch community, featuring a sapphire crystal with excellent anti-reflective coating. However, one owner found the bracelet end links excessively long, impacting wearability, and another flagged the case side finishing as not great. The "BERNY" branding on the dial was also mentioned as a negative by one owner. Overall, owners rate the BERNY BERNY-Men Automatic Compressor-style Diver Watch V3-AM339MS highly for its distinctive design and impressive lume 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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