Side by side

Oak & Oscar The Humboldt GMT SAR EditionvsGrand Seiko SLGB003

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
SLGB003
Grand SeikoSLGB003
MSRP $11,400

At a glance

15 of 29 specs differ
Diameter
The Humboldt GMT SAR Edition39.5mm
SLGB00337mm
Power Reserve
The Humboldt GMT SAR Edition56 hoursh
SLGB00372h
Water Resistance
The Humboldt GMT SAR Edition200m
SLGB003100m
MSRP
The Humboldt GMT SAR Edition$2,950
SLGB003$11,400

Full specifications

Case

7 specs
Category
GMT
Dress
Diameter
39.5mm
37mm
Thickness
12.5mm
11.4mm
Lug-to-Lug
46.8mm
44.3mm
Material
Grade 5 Titanium
Titanium
Water Resistance
200m
100m
Caseback
Solid screw-down
Solid

Crystal & Dial

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

Movement

4 specs
Caliber
Sellita SW330
9RB2
Type
Automatic
Spring Drive
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
72h

Pricing

1 specs
MSRP
$2,950
$11,400

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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.

Grand Seiko SLGB003

Grand Seiko SLGB003 owners widely praise its lightness and comfort, with a dial that offers a shifting character in different lighting conditions. Reviewers note its compact case size enhances wearability and versatility across wrist sizes. However, one owner found the dial underwhelming, and another reported a date disc issue with lower numbers not changing correctly. Some question the value proposition at around $10,000, citing the bracelet and dial as potential drawbacks, while others highlight the movement and smaller dimensions as significant positives. On balance, owners rate the Grand Seiko SLGB003 highly for its movement and compact dimensions, despite some reservations about the dial and bracelet.

From video reviewers

The watch's exceptional accuracy is a notable strength, with both reviewers highlighting its precise timekeeping. A weakness is the relatively high price point compared to other Grand Seiko models. Reviewers disagree on the ideal case size, with one reviewer noting it's relatively small at 37mm, while the other doesn't mention case size as a concern.

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