Side by side

Oak & Oscar The Humboldt GMT SAR EditionvsSeiko Astron

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
Astron
SeikoAstron
MSRP $2,500

At a glance

16 of 29 specs differ
Diameter
The Humboldt GMT SAR Edition39.5mm
Astron42mm
Power Reserve
The Humboldt GMT SAR Edition56 hoursh
Astron40h
Water Resistance
The Humboldt GMT SAR Edition200m
Astron100m
MSRP
The Humboldt GMT SAR Edition$2,950
Astron$2,500

Full specifications

Case

7 specs
Diameter
39.5mm
42mm
Thickness
12.5mm
12.4mm
Lug-to-Lug
46.8mm
49.5mm
Lug Width
20mm
14mm
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
Super-clear coating
Lume
Super-LumiNova
LumiBrite on hands and index(es)

Movement

5 specs
Caliber
Sellita SW330
5X83
Type
Automatic
Quartz
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
40h
Jewels
25
14

Pricing

1 specs
MSRP
$2,950
$2,500

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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.

Seiko Astron

Owners widely praise the Seiko Astron for its spectacular technology, solar-powered quartz movement, and GPS time synchronization, making it a convenient grab-and-go option. The watch is frequently noted for its comfortable and lightweight titanium build, with some models featuring well-finished cases and robust ceramic bezels. Reviewers and owners alike highlight the dial's dynamic and shiny appearance, with textured hour markers and high-contrast edges. Accuracy is generally considered good, with figures ranging from +/- 15 seconds per month to within 1/2 second per day, easily corrected by GPS signal. However, some owners note that DST requires manual adjustment and that automatic time syncing depends on proximity to radio wave towers. The price point is a concern for some, who feel it competes with luxury watches without the same aesthetic appeal. One owner pointed out minimal lume and a slight misalignment of the minute hand on their model.

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