Side by side

Oak & Oscar The Humboldt GMT SAR EditionvsWolbrook Douglas Grand Prix Racing

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

The Humboldt GMT SAR Edition
Oak & OscarThe Humboldt GMT SAR Edition
MSRP $2,950
Douglas Grand Prix Racing
WolbrookDouglas Grand Prix Racing
MSRP $442

At a glance

15 of 29 specs differ
Diameter
The Humboldt GMT SAR Edition39.5mm
Douglas Grand Prix Racing40mm
Power Reserve
The Humboldt GMT SAR Edition56 hoursh
Douglas Grand Prix Racing40h
Water Resistance
The Humboldt GMT SAR Edition200m
Douglas Grand Prix Racing100m
MSRP
The Humboldt GMT SAR Edition$2,950
Douglas Grand Prix Racing$442

Full specifications

Case

7 specs
Category
GMT
Racing
Diameter
39.5mm
40mm
Thickness
12.5mm
13mm
Lug-to-Lug
46.8mm
Material
Grade 5 Titanium
316L Stainless Steel
Water Resistance
200m
100m
Caseback
Solid screw-down
Solid

Crystal & Dial

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

Movement

3 specs
Caliber
Sellita SW330
Miyota 8315
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
40h

Pricing

1 specs
MSRP
$2,950
$442

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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 SAR Edition

Oak & Oscar The Humboldt GMT SAR Edition is praised for its anti-magnetic properties, sandwich lume dial, and overall construction quality for its price point. It features a brushed Grade 5 titanium case, a navy blue sandwich dial with an orange minute track and seconds hand, and a Sellita SW330 movement with a 56-hour power reserve. Minor drawbacks noted include bracelet sizing adjustment and lume brightness. On balance, owners and reviewers rate Oak & Oscar The Humboldt GMT SAR Edition highly for its robust construction and unique dial design at its price point.

Wolbrook Douglas Grand Prix Racing

The Wolbrook Douglas Grand Prix Racing features a Hesalite box crystal, a roulette date wheel, and a 40mm steel case. Owners note it is powered by a Miyota 8315 movement with a 60-hour power reserve, regulated to within ±15 seconds per day. One owner points out that an earlier iteration of the movement did not hack and had a 42-hour power reserve. On balance, owners appreciate the Hesalite crystal and roulette date wheel at its $275 price point.

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