Side by side
Gruppo Gamma Vanguard SteelvsSheffield 1A 40mm
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Vanguard Steel42mm
1A 40mm40mm
Power Reserve
Vanguard Steel42h
1A 40mm40h
Water Resistance
Vanguard Steel100m
1A 40mm200m
MSRP
Vanguard Steel$790
1A 40mm$228
Full specifications
Case
5 specsDiameter
42mm
40mm
Thickness
12.6mm
13mm
Lug-to-Lug
49.5mm
48mm
Lug Width
22mm
20mm
Water Resistance
100m
200m
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Forged Carbon
—
Lume
Super-LumiNova
None
Movement
2 specsCaliber
Miyota 9039
Seiko NH35
Power Reserve
42h
40h
Pricing
1 specsMSRP
$790
$228
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