Side by side
Oak & Oscar The Olmsted Windup EditionvsYema Superman Heritage GMT Bronze
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
18 of 29 specs differDiameter
The Olmsted Windup Edition38mm
Superman Heritage GMT Bronze39mm
Power Reserve
The Olmsted Windup Edition50h
Superman Heritage GMT Bronze40h
Water Resistance
The Olmsted Windup Edition100m
Superman Heritage GMT Bronze300m
MSRP
The Olmsted Windup Edition$1,775
Superman Heritage GMT Bronze$1,499
Full specifications
Case
8 specsCategory
Field
GMT
Diameter
38mm
39mm
Thickness
10.8mm
11.7mm
Lug-to-Lug
44.9mm
—
Lug Width
20mm
19mm
Material
316L Stainless Steel
Bronze
Water Resistance
100m
300m
Caseback
Engraved
Solid
Crystal & Dial
5 specsCrystal
Sapphire
Domed Sapphire
Crystal Shape
Double-domed
Flat
AR Coating
Underside
Inner
Dial Color
Grey
Bronze
Lume
Super-LumiNova
None
Movement
4 specsCaliber
Sellita SW300
—
Beat Rate
4 vph
28,800 vph
Power Reserve
50h
40h
Complications
GMT, Chronograph, Date
None
Pricing
1 specsMSRP
$1,775
$1,499
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