Side by side

Oak & Oscar The Humboldt GMT TitaniumvsGrand Seiko SBGH289

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

The Humboldt GMT Titanium
Oak & OscarThe Humboldt GMT Titanium
MSRP $2,950
SBGH289
Grand SeikoSBGH289
MSRP $7,700

At a glance

15 of 29 specs differ
Diameter
The Humboldt GMT Titanium39.5mm
SBGH28943.8mm
Power Reserve
The Humboldt GMT Titanium56 hoursh
SBGH28955h
Water Resistance
The Humboldt GMT Titanium200m
SBGH289200m
MSRP
The Humboldt GMT Titanium$2,950
SBGH289$7,700

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
39.5mm
43.8mm
Thickness
12.5mm
14.7mm
Lug-to-Lug
46.8mm
51mm
Lug Width
20mm
22mm
Material
Grade 5 Titanium
Stainless Steel
Caseback
Solid screw-down
Solid

Crystal & Dial

4 specs
Crystal Shape
Double-domed
Flat
AR Coating
Underside
Yes
Dial Color
Green
Black
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW330
9S85
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
55h

Pricing

1 specs
MSRP
$2,950
$7,700

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