Side by side
Oak & Oscar The Humboldt GMT TitaniumvsGrand Seiko SBGN027
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
The Humboldt GMT Titanium39.5mm
SBGN02739mm
Power Reserve
The Humboldt GMT Titanium56 hoursh
SBGN02740h
Water Resistance
The Humboldt GMT Titanium200m
SBGN027200m
MSRP
The Humboldt GMT Titanium$2,950
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
Grade 5 Titanium
Stainless Steel
Caseback
Solid screw-down
Solid
Crystal & Dial
4 specsCrystal Shape
Double-domed
Flat
AR Coating
Underside
Yes
Dial Color
Green
Black
Lume
Super-LumiNova
None
Movement
4 specsCaliber
Sellita SW330
9F86
Type
Automatic
Quartz
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
40h
Pricing
1 specsMSRP
$2,950
$3,700
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