Side by side
Christopher Ward C63 Sealander RocksvsOak & Oscar The Humboldt GMT USSS Edition
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
C63 Sealander Rocks40mm
The Humboldt GMT USSS Edition39.5mm
Power Reserve
C63 Sealander Rocks38h
The Humboldt GMT USSS Edition56 hoursh
Water Resistance
C63 Sealander Rocks150m
The Humboldt GMT USSS Edition200m
MSRP
C63 Sealander Rocks$1,350
The Humboldt GMT USSS Edition$2,200
Full specifications
Case
7 specsCategory
Sport
GMT
Diameter
40mm
39.5mm
Thickness
11.05mm
12.5mm
Lug-to-Lug
42.87mm
46.8mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
150m
200m
Caseback
Solid
Engraved
Crystal & Dial
3 specsCrystal Shape
Flat
Double-domed
Dial Color
Yellow
Black
Lume
SLN X1 BL C1
Super-LumiNova BGW9
Movement
4 specsCaliber
SW200-1
Sellita SW330
Beat Rate
4 vph
28,800 vph
Power Reserve
38h
56 hoursh
Jewels
26
25
Pricing
1 specsMSRP
$1,350
$2,200
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