Side by side

Marathon Steel Navigator SSNAV-D AutovsZelos Skyraider 40 Skeleton

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

Steel Navigator SSNAV-D Auto
MarathonSteel Navigator SSNAV-D Auto
MSRP $1,400
Skyraider 40 Skeleton
ZelosSkyraider 40 Skeleton
MSRP $1,999

At a glance

10 of 29 specs differ
Diameter
Steel Navigator SSNAV-D Auto41mm
Skyraider 40 Skeleton40mm
Power Reserve
Steel Navigator SSNAV-D Auto40h
Skyraider 40 Skeleton40h
Water Resistance
Steel Navigator SSNAV-D Auto60m
Skyraider 40 Skeleton50m
MSRP
Steel Navigator SSNAV-D Auto$1,400
Skyraider 40 Skeleton$1,999

Full specifications

Case

6 specs
Category
Pilot
Skeleton
Diameter
41mm
40mm
Thickness
11mm
8.2mm
Lug-to-Lug
48mm
40mm
Material
316L Stainless Steel
Titanium
Water Resistance
60m
50m

Crystal & Dial

1 specs
Dial Color
Black
Ti Damascus LE

Movement

2 specs
Caliber
Sellita SW220-1
Swiss Skeletonised Marvin 700
Type
Automatic
Manual

Pricing

1 specs
MSRP
$1,400
$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.

Marathon Steel Navigator SSNAV-D Auto

The Marathon Steel Navigator SSNAV-D Auto is praised for its durable construction, featuring a sandblasted steel case with improved lugs, a bi-directional bezel with excellent action, and 100m water resistance. Owners appreciate the constant visibility provided by self-illuminating tritium gas tubes and the precision of its ETA F06.412 quartz movement, which offers accuracy to about 10 seconds per year. The watch includes a GMT bezel for dual timekeeping and a synthetic sapphire crystal. Overall, owners and reviewers rate the Marathon Steel Navigator SSNAV-D Auto highly for its robust tool-watch design and reliable tritium illumination.

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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