Side by side
Oak & Oscar The Humboldt GMT USSS EditionvsGrand Seiko SBGN027
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
The Humboldt GMT USSS Edition39.5mm
SBGN02739mm
Power Reserve
The Humboldt GMT USSS Edition56 hoursh
SBGN02740h
Water Resistance
The Humboldt GMT USSS Edition200m
SBGN027200m
MSRP
The Humboldt GMT USSS Edition$2,200
SBGN027$3,700
Full specifications
Case
6 specsDiameter
39.5mm
39mm
Thickness
12.5mm
12.3mm
Lug-to-Lug
46.8mm
45.9mm
Lug Width
20mm
19mm
Material
316L Stainless Steel
Stainless Steel
Caseback
Engraved
Solid
Crystal & Dial
3 specsCrystal Shape
Double-domed
Flat
AR Coating
Inner
Yes
Lume
Super-LumiNova BGW9
None
Movement
3 specsCaliber
Sellita SW330
9F86
Type
Automatic
Quartz
Power Reserve
56 hoursh
40h
Pricing
1 specsMSRP
$2,200
$3,700
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