Side by side
Oak & Oscar The Humboldt GMT TitaniumvsGrand Seiko SBGW291
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
17 of 29 specs differDiameter
The Humboldt GMT Titanium39.5mm
SBGW29136.5mm
Power Reserve
The Humboldt GMT Titanium56 hoursh
SBGW29172h
Water Resistance
The Humboldt GMT Titanium200m
SBGW291100m
MSRP
The Humboldt GMT Titanium$2,950
SBGW291$5,300
Full specifications
Case
8 specsCategory
GMT
Dress
Diameter
39.5mm
36.5mm
Thickness
12.5mm
11.6mm
Lug-to-Lug
46.8mm
42.7mm
Lug Width
20mm
18mm
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
9S64
Type
Automatic
Manual
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
72h
Pricing
1 specsMSRP
$2,950
$5,300
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