Side by side
Christopher Ward C63 Sealander Extreme GMTvsSmiths Armstrong Siddeley
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
C63 Sealander Extreme GMT40mm
Armstrong Siddeley42mm
Power Reserve
C63 Sealander Extreme GMT56h
Armstrong Siddeley—
Water Resistance
C63 Sealander Extreme GMT150m
Armstrong Siddeley100m
MSRP
C63 Sealander Extreme GMT$2,075
Armstrong Siddeley$980
Full specifications
Case
5 specsCategory
GMT
—
Diameter
40mm
42mm
Thickness
12.05mm
12mm
Lug-to-Lug
48mm
52mm
Water Resistance
150m
100m
Crystal & Dial
2 specsDial Color
Black
Cream
Lume
SLN X1 BL / GL
None
Movement
5 specsCaliber
SW330-2
Unitas 6498
Type
Automatic
Manual
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
—
Complications
GMT
None
Pricing
1 specsMSRP
$2,075
$980
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