Side by side
Gruppo Gamma Vanguard Steel DatevsOak & Oscar The Olmsted ExP-01
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
The Olmsted ExP-0138mm
Power Reserve
Vanguard Steel Date42h
The Olmsted ExP-0142h
Water Resistance
Vanguard Steel Date100m
The Olmsted ExP-01100m
MSRP
Vanguard Steel Date$790
The Olmsted ExP-01$1,775
Full specifications
Case
6 specsCategory
—
Field
Diameter
42mm
38mm
Thickness
12.6mm
10.8mm
Lug-to-Lug
49.5mm
44.9mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Heat-treated Stainless Steel
Crystal & Dial
3 specsCrystal Shape
Flat
Double-domed
AR Coating
Yes
Underside
Dial Color
Forged Carbon
Black
Movement
4 specsCaliber
Miyota 9015
Sellita SW300
Beat Rate
28,800 vph
4 vph
Power Reserve
42h
42h
Complications
Date
GMT, Chronograph, Date
Pricing
1 specsMSRP
$790
$1,775
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