Side by side
Christopher Ward C63 Sealander Extreme GMTvsLum-Tec B64 Chronograph
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 GMT40mm
B64 Chronograph44mm
Power Reserve
C63 Sealander Extreme GMT56h
B64 Chronograph40h
Water Resistance
C63 Sealander Extreme GMT150m
B64 Chronograph100m
MSRP
C63 Sealander Extreme GMT$2,075
B64 Chronograph$545
Full specifications
Case
6 specsCategory
GMT
Chronograph
Diameter
40mm
44mm
Thickness
12.05mm
—
Lug-to-Lug
48mm
51.5mm
Material
Stainless Steel
Titanium (DLC coated)
Water Resistance
150m
100m
Crystal & Dial
3 specsCrystal
Sapphire
Domed Sapphire
Dial Color
Black
Standard
Lume
SLN X1 BL / GL
None
Movement
4 specsCaliber
SW330-2
—
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
40h
Complications
GMT
None
Pricing
1 specsMSRP
$2,075
$545
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