Side by side

Serket Watch Co Reef MarianavsSeiko Prospex Sea JAWS 50th Anniversary Limited Edition

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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What people say

Owners + reviewers, side by side

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 significant value, citing the sapphire crystal, ceramic bezel, and NH35 automatic movement at its price point. Some owners note the bezel turns too easily and suggest the lume could be improved. On balance, owners rate the Serket Watch Co Reef Mariana highly for its bold aesthetic and strong feature set at the price.

Seiko Prospex Sea JAWS 50th Anniversary Limited Edition

The Seiko Prospex Sea JAWS 50th Anniversary Limited Edition is praised for its well-executed movie homage, featuring a striking silver-to-blue gradient dial with a hidden shark design and the "JAWS" logo. Owners note the special case back marked with the Orca boat and shark fin, and the inclusion of a special box. The watch is considered a fun summer piece, with a comfortable blue silicone strap, despite its 45mm dimensions. The 4R36 automatic movement is noted to have a 41-hour power reserve, with accuracy reported between +45 and -35 seconds per day. On balance, owners and reviewers appreciate the Seiko Prospex Sea JAWS 50th Anniversary Limited Edition for its unique Jaws-themed dial and commemorative details.

At a glance

11 of 29 specs differ
Diameter
Reef Mariana40mm
Prospex Sea JAWS 50th Anniversary Limited Edition45mm
Power Reserve
Reef Mariana
Prospex Sea JAWS 50th Anniversary Limited Edition41h
Water Resistance
Reef Mariana200m
Prospex Sea JAWS 50th Anniversary Limited Edition200m
MSRP
Reef Mariana$449
Prospex Sea JAWS 50th Anniversary Limited Edition$795

Full specifications

Case

4 specs
Category
Diver
Diameter
40mm
45mm
Lug-to-Lug
47.5mm
47.7mm
Lug Width
20mm
22mm

Crystal & Dial

3 specs
AR Coating
Anti-reflective coating on inner surface
Dial Color
Orange
Lume
BGW9
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Seiko NH35
Seiko 4R36
Power Reserve
41h
Jewels
0
24

Pricing

1 specs
MSRP
$449
$795
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