Side by side
Gruppo Gamma Vanguard Steel DatevsChristopher Ward C63 Sealander Extreme GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Vanguard Steel Date42mm
C63 Sealander Extreme GMT40mm
Power Reserve
Vanguard Steel Date42h
C63 Sealander Extreme GMT56h
Water Resistance
Vanguard Steel Date100m
C63 Sealander Extreme GMT150m
MSRP
Vanguard Steel Date$790
C63 Sealander Extreme GMT$2,075
Full specifications
Case
5 specsCategory
—
GMT
Diameter
42mm
40mm
Thickness
12.6mm
12.05mm
Lug-to-Lug
49.5mm
48mm
Water Resistance
100m
150m
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Forged Carbon
Black
Lume
Super-LumiNova
SLN X1 BL / GL
Movement
4 specsCaliber
Miyota 9015
SW330-2
Beat Rate
28,800 vph
4 vph
Power Reserve
42h
56h
Complications
Date
GMT
Pricing
1 specsMSRP
$790
$2,075
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