Side by side
Christopher Ward C63 Sealander Extreme GMTvsSheffield 1A 38
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 Extreme GMT48mm
1A 3838mm
Power Reserve
C63 Sealander Extreme GMT56h
1A 38—
Water Resistance
C63 Sealander Extreme GMT150m
1A 38200m
MSRP
C63 Sealander Extreme GMT$1,850
1A 38$238
Full specifications
Case
7 specsCategory
GMT
Diver
Diameter
48mm
38mm
Thickness
12.05mm
12.8mm
Lug-to-Lug
48mm
46mm
Lug Width
22mm
20mm
Finish
Brushed + Bead-blasted + Sandblasted
Brushed and polished
Water Resistance
150m
200m
Crystal & Dial
3 specsAR Coating
Underside
Inner
Dial Color
Black
Blue
Lume
SLN X1 BL / GL
None
Movement
4 specsCaliber
SW330
Seiko NH35
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
—
Complications
GMT, Moonphase, Day-date
None
Pricing
1 specsMSRP
$1,850
$238
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