Side by side

Serket Watch Co Reef MarianavsSeiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition

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

Reef Mariana
Serket Watch CoReef Mariana
MSRP $449

At a glance

12 of 29 specs differ
Diameter
Reef Mariana40mm
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition42mm
Power Reserve
Reef Mariana
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition72h
Water Resistance
Reef Mariana200m
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition300m
MSRP
Reef Mariana$449
Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition$1,750

Full specifications

Case

5 specs
Category
Diver
Diameter
40mm
42mm
Thickness
13.2mm
13.3mm
Lug-to-Lug
47.5mm
48.6mm
Water Resistance
200m
300m

Crystal & Dial

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

Movement

3 specs
Caliber
Seiko NH35
6R54
Power Reserve
72h
Jewels
25
24

Pricing

1 specs
MSRP
$449
$1,750
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