Side by side

Oak & Oscar The Humboldt GMTvsGrand Seiko SBGP015

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

The Humboldt GMT
Oak & OscarThe Humboldt GMT
MSRP $2,175
SBGP015
Grand SeikoSBGP015
MSRP $3,800

At a glance

16 of 29 specs differ
Diameter
The Humboldt GMT39.5mm
SBGP01540mm
Power Reserve
The Humboldt GMT56 hoursh
SBGP01540h
Water Resistance
The Humboldt GMT200m
SBGP015200m
MSRP
The Humboldt GMT$2,175
SBGP015$3,800

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
39.5mm
40mm
Thickness
12.5mm
12.4mm
Lug-to-Lug
46.8mm
47.1mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed
Brushed and polished
Caseback
Solid screw-down
Solid

Crystal & Dial

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

Movement

4 specs
Caliber
Sellita SW330
9F85
Type
Automatic
Quartz
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
40h

Pricing

1 specs
MSRP
$2,175
$3,800

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Oak & Oscar The Humboldt GMT

Oak & Oscar The Humboldt GMT owners widely praise its exceptional accuracy, often running at or near 0 seconds per day, and its comfortable wearability with subtle design details. The construction quality for the price point, sandwich lume, and anti-magnetic properties are also highlighted. Some owners find the bracelet sizing adjustment slightly awkward, and one noted the lume could be brighter. Overall, owners rate the Oak & Oscar The Humboldt GMT highly for its accuracy and comfortable wearability.

Grand Seiko SBGP015

Owners widely praise the Grand Seiko SBGP015 for its stupendous, substantial, and classy versatility, with reviewers noting the dial print is exceptionally sharp, casting shadows under light. The Grand Seiko 9F85 quartz movement is lauded for its excellent timekeeping, with one owner purchasing it as a grab-and-go option. The watch is listed for £1900. Overall, owners rate the Grand Seiko SBGP015 highly for its sharp dial print and the accuracy of its 9F85 quartz movement.

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