Side by side
Gruppo Gamma Vanguard Steel DatevsOak & Oscar The Humboldt GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
17 of 29 specs differDiameter
Vanguard Steel Date42mm
The Humboldt GMT39.5mm
Power Reserve
Vanguard Steel Date42h
The Humboldt GMT56 hoursh
Water Resistance
Vanguard Steel Date100m
The Humboldt GMT200m
MSRP
Vanguard Steel Date$790
The Humboldt GMT$2,175
Full specifications
Case
9 specsCategory
—
GMT
Diameter
42mm
39.5mm
Thickness
12.6mm
12.5mm
Lug-to-Lug
49.5mm
46.8mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Brushed
Water Resistance
100m
200m
Caseback
Solid
Solid screw-down
Crystal & Dial
3 specsCrystal Shape
Flat
Double-domed
AR Coating
Yes
Underside
Dial Color
Forged Carbon
White
Movement
4 specsCaliber
Miyota 9015
Sellita SW330
Beat Rate
28,800 vph
4 vph
Power Reserve
42h
56 hoursh
Complications
Date
None
Pricing
1 specsMSRP
$790
$2,175
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