Side by side
Gruppo Gamma Vanguard Steel DatevsChristopher Ward C63 Sealander Rocks
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
Vanguard Steel Date42mm
C63 Sealander Rocks42.87mm
Power Reserve
Vanguard Steel Date42h
C63 Sealander Rocks38h
Water Resistance
Vanguard Steel Date100m
C63 Sealander Rocks150m
MSRP
Vanguard Steel Date$790
C63 Sealander Rocks$1,405
Full specifications
Case
7 specsDiameter
42mm
42.87mm
Thickness
12.6mm
11.05mm
Lug-to-Lug
49.5mm
42.87mm
Lug Width
22mm
20mm
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
Yellow
Lume
Super-LumiNova
SLN X1 BL C1
Movement
5 specsCaliber
Miyota 9015
SW200
Beat Rate
28,800 vph
4 vph
Power Reserve
42h
38h
Jewels
25
26
Complications
Date
Moonphase, Day-date
Pricing
1 specsMSRP
$790
$1,405
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