Side by side

Oak & Oscar The Humboldt GMT USSS EditionvsGrand Seiko SBGH289

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

The Humboldt GMT USSS Edition
Oak & OscarThe Humboldt GMT USSS Edition
MSRP $2,200
SBGH289
Grand SeikoSBGH289
MSRP $7,700

At a glance

13 of 29 specs differ
Diameter
The Humboldt GMT USSS Edition39.5mm
SBGH28943.8mm
Power Reserve
The Humboldt GMT USSS Edition56 hoursh
SBGH28955h
Water Resistance
The Humboldt GMT USSS Edition200m
SBGH289200m
MSRP
The Humboldt GMT USSS Edition$2,200
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
316L Stainless Steel
Stainless Steel
Caseback
Engraved
Solid

Crystal & Dial

3 specs
Crystal Shape
Double-domed
Flat
AR Coating
Inner
Yes
Lume
Super-LumiNova BGW9
None

Movement

2 specs
Caliber
Sellita SW330
9S85
Power Reserve
56 hoursh
55h

Pricing

1 specs
MSRP
$2,200
$7,700

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