Side by side
Christopher Ward C63 Sealander Extreme GMTvsZero West L4 Longitude
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
C63 Sealander Extreme GMT48mm
L4 Longitude42mm
Power Reserve
C63 Sealander Extreme GMT56h
L4 Longitude62h
Water Resistance
C63 Sealander Extreme GMT150m
L4 Longitude100m
MSRP
C63 Sealander Extreme GMT$1,850
L4 Longitude$2,995
Full specifications
Case
6 specsCategory
GMT
—
Diameter
48mm
42mm
Thickness
12.05mm
13.7mm
Lug-to-Lug
48mm
47mm
Finish
Brushed + Bead-blasted + Sandblasted
Brushed and polished
Water Resistance
150m
100m
Crystal & Dial
3 specsAR Coating
Underside
Inner
Dial Color
Black
—
Lume
SLN X1 BL / GL
None
Movement
4 specsCaliber
SW330
Sellita SW500
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
62h
Complications
GMT, Moonphase, Day-date
None
Pricing
1 specsMSRP
$1,850
$2,995
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