Side by side
Christopher Ward C63 Sealander Extreme GMTvsSerket 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
C63 Sealander Extreme GMT40mm
Reef Mariana40mm
Power Reserve
C63 Sealander Extreme GMT56h
Reef Mariana—
Water Resistance
C63 Sealander Extreme GMT150m
Reef Mariana200m
MSRP
C63 Sealander Extreme GMT$2,075
Reef Mariana$449
Full specifications
Case
5 specsCategory
GMT
—
Thickness
12.05mm
13.2mm
Lug-to-Lug
48mm
47.5mm
Lug Width
22mm
20mm
Water Resistance
150m
200m
Crystal & Dial
2 specsDial Color
Black
Orange
Lume
SLN X1 BL / GL
BGW9
Movement
4 specsCaliber
SW330-2
Seiko NH35
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
—
Complications
GMT
None
Pricing
1 specsMSRP
$2,075
$449
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