Side by side
Gravithin FOCUSCOPE - BLUE COSMOvsSerket Watch Co Reef Mariana
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
8 of 29 specs differDiameter
FOCUSCOPE - BLUE COSMO40mm
Reef Mariana40mm
Power Reserve
FOCUSCOPE - BLUE COSMO42h
Reef Mariana—
Water Resistance
FOCUSCOPE - BLUE COSMO100m
Reef Mariana200m
MSRP
FOCUSCOPE - BLUE COSMO$579
Reef Mariana$449
Full specifications
Case
3 specsThickness
11.2mm
13.2mm
Lug-to-Lug
46mm
47.5mm
Water Resistance
100m
200m
Crystal & Dial
2 specsDial Color
Black
Orange
Lume
super luminova
BGW9
Movement
2 specsCaliber
Miyota 9039
Seiko NH35
Power Reserve
42h
—
Pricing
1 specsMSRP
—
$449
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