Serket Watch Co Reef MarianavsSeiko Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation

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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.

Serket Watch Co Reef Mariana at true scale

Reef Mariana

Seiko Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation at true scale

Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation

Diameter

40mm

39.5mm

Lug-to-Lug

47.5mm

47.2mm

lowest

Thickness

13.2mm

12.3mm

lowest

Water Resistance

200m

200m

Power Reserve

n/a

45h

MSRP

$449

lowest

$2,800

Movement

Seiko NH35

Seiko 6L37

Case

3 specs
Diameter
40mm
39.5mm
Thickness
13.2mm
12.3mm
Lug-to-Lug
47.5mm
47.2mm

Crystal & Dial

4 specs
Crystal Shape
n/a
Box
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
Orange
n/a
Lume
BGW9
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Seiko NH35
Seiko 6L37
Power Reserve
n/a
45h
Jewels
0
26

Pricing

1 specs
MSRP
$449
$2,800
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Reviews

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

Serket Watch Co Reef Mariana

Owners widely praise the Serket Watch Co Reef Mariana for its excellent value, citing the sapphire crystal, ceramic bezel, and reliable Seiko NH35 automatic movement at its price point. Some owners note the bezel turns too easily and suggest the lume could be stronger. Overall, owners rate the Serket Watch Co Reef Mariana highly for its eye-catching dial and bezel combination and strong feature set for the price.

Seiko Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation

The Seiko Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation is noted for its slim 12.3mm case and 39.5mm diameter, making it a wearable dive watch. The automatic Seiko 6L37 movement is described as having a 45-46 hour power reserve, with one reviewer noting an accuracy of -10/+15 seconds per day. The watch features a box-shaped sapphire crystal and 200 meters of water resistance. However, its price of A$4,650 is considered high for its specifications, and one reviewer questions Seiko's continued reliance on the 62MAS design. On balance, reviewers find the Seiko Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation to be a functional and refined dive watch, though its value proposition is debated due to its price point.

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