Side by side

Oak & Oscar The Humboldt GMT SAR EditionvsGrand Seiko SLGH017

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
SLGH017
Grand SeikoSLGH017
MSRP $10,500

At a glance

15 of 29 specs differ
Diameter
The Humboldt GMT SAR Edition39.5mm
SLGH01740mm
Power Reserve
The Humboldt GMT SAR Edition56 hoursh
SLGH01780h
Water Resistance
The Humboldt GMT SAR Edition200m
SLGH017100m
MSRP
The Humboldt GMT SAR Edition$2,950
SLGH017$10,500

Full specifications

Case

8 specs
Category
GMT
Dress
Diameter
39.5mm
40mm
Thickness
12.5mm
11.7mm
Lug-to-Lug
46.8mm
47mm
Lug Width
20mm
22mm
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

3 specs
Caliber
Sellita SW330
9SA5
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
80h

Pricing

1 specs
MSRP
$2,950
$10,500

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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 SLGH017

Grand Seiko SLGH017 owners and reviewers widely praise its impeccable finishing on the applied markers and handset, and its lightweight titanium case and bracelet. The high-beat 9SA5 movement is noted for its approximately 80-hour power reserve, with accuracy figures reported by owners ranging from +4 sec/day to +5 to -3 seconds per day, though some owners express concerns about accuracy deviating significantly from specifications. Some find the "Night Birch" dial stunning and appreciate the Evo 9 case design, while others note the dial texture appears less pronounced on its matte black surface and criticize the handset's proportions and lack of lume. The Grand Seiko SLGH017 is priced at €10,500. On balance, owners and reviewers rate the Grand Seiko SLGH017 highly for its lightweight titanium construction and impeccable finishing.

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