Side by side
Christopher Ward C63 Sealander Extreme GMTvsJack Mason Strat-o-timer GMT
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
Strat-o-timer GMT40mm
Power Reserve
C63 Sealander Extreme GMT56h
Strat-o-timer GMT42h
Water Resistance
C63 Sealander Extreme GMT150m
Strat-o-timer GMT200m
MSRP
C63 Sealander Extreme GMT$1,850
Strat-o-timer GMT$1,099
Full specifications
Case
7 specsCategory
GMT
—
Diameter
48mm
40mm
Thickness
12.05mm
13.2mm
Lug-to-Lug
48mm
47mm
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
—
Lume
SLN X1 BL / GL
None
Movement
4 specsCaliber
SW330
Miyota 9075
Beat Rate
4 vph
28,800 vph
Power Reserve
56h
42h
Complications
GMT, Moonphase, Day-date
None
Pricing
1 specsMSRP
$1,850
$1,099
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