Side by side
CWC Automatic Divers Watch Mk.2 BlackvsSerket Watch Co Reef Mariana
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Automatic Divers Watch Mk.2 Black41mm
Reef Mariana40mm
Power Reserve
Automatic Divers Watch Mk.2 Black40h
Reef Mariana—
Water Resistance
Automatic Divers Watch Mk.2 Black300m
Reef Mariana200m
MSRP
Automatic Divers Watch Mk.2 Black$1,249
Reef Mariana$449
Full specifications
Case
5 specsCategory
Diver
—
Diameter
41mm
40mm
Thickness
12mm
13.2mm
Lug-to-Lug
47mm
47.5mm
Water Resistance
300m
200m
Crystal & Dial
2 specsDial Color
CWC Automatic Divers Watch Mk.2 Black (SF300 AS120)
Orange
Lume
Super-LumiNova
BGW9
Movement
2 specsCaliber
Sellita SW200-1
Seiko NH35
Power Reserve
40h
—
Pricing
1 specsMSRP
$1,249
$449
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