Side by side
Oak & Oscar The Humboldt GMTvsGrand Seiko SBGK006
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 Humboldt GMT39.5mm
SBGK00639mm
Power Reserve
The Humboldt GMT56 hoursh
SBGK00672h
Water Resistance
The Humboldt GMT200m
SBGK00630m
MSRP
The Humboldt GMT$2,175
SBGK006$22,200
Full specifications
Case
9 specsCategory
GMT
Dress
Diameter
39.5mm
39mm
Thickness
12.5mm
11.6mm
Lug-to-Lug
46.8mm
44mm
Lug Width
20mm
19mm
Material
316L Stainless Steel
Gold
Finish
Brushed
Brushed and polished
Water Resistance
200m
30m
Caseback
Solid screw-down
Solid
Crystal & Dial
4 specsCrystal Shape
Double-domed
Flat
AR Coating
Underside
Yes
Dial Color
White
Black
Lume
Super-LumiNova
None
Movement
4 specsCaliber
Sellita SW330
9S63
Type
Automatic
Manual
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
72h
Pricing
1 specsMSRP
$2,175
$22,200
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