Side by side
Christopher Ward C63 Sealander Extreme GMTvsLum-Tec RPM
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
17 of 29 specs differDiameter
C63 Sealander Extreme GMT48mm
RPM43mm
Power Reserve
C63 Sealander Extreme GMT56h
RPM40h
Water Resistance
C63 Sealander Extreme GMT150m
RPM50m
MSRP
C63 Sealander Extreme GMT$1,850
RPM$495
Full specifications
Case
8 specsCategory
GMT
Chronograph
Diameter
48mm
43mm
Thickness
12.05mm
12.3mm
Lug-to-Lug
48mm
41mm
Lug Width
22mm
20mm
Material
Stainless Steel
Titanium
Finish
Brushed + Bead-blasted + Sandblasted
Brushed and polished
Water Resistance
150m
50m
Crystal & Dial
3 specsAR Coating
Underside
Inner
Dial Color
Black
RPM 3
Lume
SLN X1 BL / GL
None
Movement
5 specsCaliber
SW330
—
Type
Automatic
Quartz
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
40h
Complications
GMT, Moonphase, Day-date
None
Pricing
1 specsMSRP
$1,850
$495
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