Side by side
Christopher Ward C63 Sealander RocksvsSerket Watch Co Reef Mariana
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
C63 Sealander Rocks40mm
Reef Mariana40mm
Power Reserve
C63 Sealander Rocks38h
Reef Mariana—
Water Resistance
C63 Sealander Rocks150m
Reef Mariana200m
MSRP
C63 Sealander Rocks$1,350
Reef Mariana$449
Full specifications
Case
4 specsCategory
Sport
—
Thickness
11.05mm
13.2mm
Lug-to-Lug
42.87mm
47.5mm
Water Resistance
150m
200m
Crystal & Dial
2 specsDial Color
Yellow
Orange
Lume
SLN X1 BL C1
BGW9
Movement
4 specsCaliber
SW200-1
Seiko NH35
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
—
Jewels
26
25
Pricing
1 specsMSRP
$1,350
$449
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