Side by side
Gruppo Gamma Vanguard Steel DatevsChristopher Ward C63 Sealander GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Vanguard Steel Date42mm
C63 Sealander GMT42mm
Power Reserve
Vanguard Steel Date42h
C63 Sealander GMT56h
Water Resistance
Vanguard Steel Date100m
C63 Sealander GMT150m
MSRP
Vanguard Steel Date$790
C63 Sealander GMT$1,675
Full specifications
Case
6 specsCategory
—
GMT
Thickness
12.6mm
11.5mm
Lug-to-Lug
49.5mm
48.5mm
Finish
Brushed and polished
Brushed + Polished + Sandblasted
Water Resistance
100m
150m
Caseback
Solid
Display
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Forged Carbon
Blue
Lume
Super-LumiNova
SLN X1 BL C1
Movement
4 specsCaliber
Miyota 9015
SW330
Beat Rate
28,800 vph
4 vph
Power Reserve
42h
56h
Complications
Date
GMT, Moonphase, Day-date
Pricing
1 specsMSRP
$790
$1,675
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