Serket Watch Co Reef MarianavsSeiko Prospex Sea PADI Special 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.

Serket Watch Co Reef Mariana at true scale

Reef Mariana

Seiko Prospex Sea PADI Special Edition at true scale

Prospex Sea PADI Special Edition

Diameter

40mm

41.7mm

Lug-to-Lug

47.5mm

lowest

49.5mm

Thickness

13.2mm

12.3mm

lowest

Water Resistance

200m

200m

Power Reserve

n/a

41h

MSRP

$449

lowest

$650

Movement

Seiko NH35

Seiko 4R35

Case

3 specs
Diameter
40mm
41.7mm
Thickness
13.2mm
12.3mm
Lug-to-Lug
47.5mm
49.5mm

Crystal & Dial

3 specs
Crystal
Sapphire
Hardlex
Dial Color
Orange
n/a
Lume
BGW9
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Seiko NH35
Seiko 4R35
Power Reserve
n/a
41h
Jewels
0
23

Pricing

1 specs
MSRP
$449
$650
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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 Sea PADI Special Edition

Owners widely praise the Seiko Prospex Sea PADI Special Edition for its value, attractive PADI color scheme, and excellent lume. Reviewers highlight its proven design, strong functionality, and classic Seiko diver charm, with a matte black dial and large markers being a common point of appreciation. The bezel action is noted as being smoother and more precise than previous models, and the build quality is described as amazing. Some owners find the dial's wave pattern a favorite, though it may not stand out without direct light. The movement's stated accuracy range is +45 to -35 seconds per day, and the divers extension is a point of disappointment for some due to difficulty in opening. The bracelet adjustment is also noted as a pain point, though manageable. Overall, owners and reviewers rate the Seiko Prospex Sea PADI Special Edition highly for its exceptional value and classic diver aesthetic.

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