Side by side

Oak & Oscar The Humboldt GMT SAR EditionvsZelos Skyraider 40 Skeleton

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
Skyraider 40 Skeleton
ZelosSkyraider 40 Skeleton
MSRP $1,999

At a glance

16 of 29 specs differ
Diameter
The Humboldt GMT SAR Edition39.5mm
Skyraider 40 Skeleton40mm
Power Reserve
The Humboldt GMT SAR Edition56 hoursh
Skyraider 40 Skeleton40h
Water Resistance
The Humboldt GMT SAR Edition200m
Skyraider 40 Skeleton50m
MSRP
The Humboldt GMT SAR Edition$2,950
Skyraider 40 Skeleton$1,999

Full specifications

Case

7 specs
Category
GMT
Skeleton
Diameter
39.5mm
40mm
Thickness
12.5mm
8.2mm
Lug-to-Lug
46.8mm
40mm
Material
Grade 5 Titanium
Titanium
Water Resistance
200m
50m
Caseback
Solid screw-down
Solid

Crystal & Dial

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

Movement

4 specs
Caliber
Sellita SW330
Swiss Skeletonised Marvin 700
Type
Automatic
Manual
Beat Rate
4 vph
28,800 vph
Power Reserve
56 hoursh
40h

Pricing

1 specs
MSRP
$2,950
$1,999

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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.

Zelos Skyraider 40 Skeleton

The Zelos Skyraider 40 Skeleton is noted for its skeletonized dial and the use of BGW9 and C3 Super-LumiNova for legibility. It is powered by a manual-wind ETA 6498 movement, offering a 44-hour power reserve. On balance, the Zelos Skyraider 40 Skeleton is seen as a cool-looking option, though availability is a factor.

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