Side by side
Oak & Oscar The Humboldt GMT TitaniumvsGrand Seiko SLGB005
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 Humboldt GMT Titanium39.5mm
SLGB00537mm
Power Reserve
The Humboldt GMT Titanium56 hoursh
SLGB00572h
Water Resistance
The Humboldt GMT Titanium200m
SLGB005100m
MSRP
The Humboldt GMT Titanium$2,950
SLGB005$11,100
Full specifications
Case
7 specsCategory
GMT
Dress
Diameter
39.5mm
37mm
Thickness
12.5mm
11.4mm
Lug-to-Lug
46.8mm
44.3mm
Material
Grade 5 Titanium
Stainless Steel
Water Resistance
200m
100m
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
9RB2
Type
Automatic
Spring Drive
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
72h
Pricing
1 specsMSRP
$2,950
$11,100
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