Side by side
Gruppo Gamma Vanguard Steel DatevsSheffield Deep Gray 300
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Vanguard Steel Date42mm
Deep Gray 30042mm
Power Reserve
Vanguard Steel Date42h
Deep Gray 30040h
Water Resistance
Vanguard Steel Date100m
Deep Gray 300300m
MSRP
Vanguard Steel Date$790
Deep Gray 300$258
Full specifications
Case
3 specsThickness
12.6mm
13.8mm
Lug-to-Lug
49.5mm
52mm
Water Resistance
100m
300m
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Forged Carbon
—
Lume
Super-LumiNova
None
Movement
3 specsCaliber
Miyota 9015
Seiko NH35
Power Reserve
42h
40h
Complications
Date
None
Pricing
1 specsMSRP
$790
—
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