Side by side
Oak & Oscar The Olmsted Windup EditionvsSpinnaker Bradner GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
16 of 29 specs differDiameter
The Olmsted Windup Edition38mm
Bradner GMT42mm
Power Reserve
The Olmsted Windup Edition50h
Bradner GMT40h
Water Resistance
The Olmsted Windup Edition100m
Bradner GMT180m
MSRP
The Olmsted Windup Edition$1,775
Bradner GMT$299
Full specifications
Case
7 specsCategory
Field
GMT
Diameter
38mm
42mm
Thickness
10.8mm
15mm
Lug-to-Lug
44.9mm
50mm
Lug Width
20mm
22mm
Water Resistance
100m
180m
Caseback
Engraved
Solid
Crystal & Dial
4 specsCrystal Shape
Double-domed
Flat
AR Coating
Underside
Inner
Dial Color
Grey
Brown
Lume
Super-LumiNova
None
Movement
4 specsCaliber
Sellita SW300
Seiko NH34A
Beat Rate
4 vph
28,800 vph
Power Reserve
50h
40h
Complications
GMT, Chronograph, Date
None
Pricing
1 specsMSRP
$1,775
$299
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