Side by side
Seiko Prospex SeavsSerket Watch Co Reef Mariana
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Prospex Sea42mm
Reef Mariana40mm
Power Reserve
Prospex Sea72h
Reef Mariana—
Water Resistance
Prospex Sea300m
Reef Mariana200m
MSRP
Prospex Sea—
Reef Mariana$449
Full specifications
Case
5 specsCategory
Diver
—
Diameter
42mm
40mm
Thickness
13.3mm
13.2mm
Lug-to-Lug
48.6mm
47.5mm
Water Resistance
300m
200m
Crystal & Dial
3 specsAR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
Orange
Lume
LumiBrite on hands, index(es) and bezel
BGW9
Movement
3 specsCaliber
6R54
Seiko NH35
Power Reserve
72h
—
Jewels
24
25
Pricing
1 specsMSRP
—
$449
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