Side by side

Marathon Steel Navigator SSNAV-D AutovsSpinnaker Croft Mid-Size 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
Croft Mid-Size Skeleton
SpinnakerCroft Mid-Size Skeleton
MSRP $425

At a glance

8 of 29 specs differ
Diameter
Steel Navigator SSNAV-D Auto41mm
Croft Mid-Size Skeleton40mm
Power Reserve
Steel Navigator SSNAV-D Auto40h
Croft Mid-Size Skeleton40h
Water Resistance
Steel Navigator SSNAV-D Auto60m
Croft Mid-Size Skeleton100m
MSRP
Steel Navigator SSNAV-D Auto$1,400
Croft Mid-Size Skeleton$425

Full specifications

Case

5 specs
Category
Pilot
Field
Diameter
41mm
40mm
Thickness
11mm
14mm
Lug-to-Lug
48mm
47mm
Water Resistance
60m
100m

Crystal & Dial

1 specs
Dial Color
Black
Dollar Diver

Movement

1 specs
Caliber
Sellita SW220-1
SII NH38A

Pricing

1 specs
MSRP
$1,400
$425

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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.

Spinnaker Croft Mid-Size Skeleton

The Spinnaker Croft Mid-Size Skeleton is noted for its 40mm steel case, sapphire crystal, and 150m water resistance. One owner reports strong performance from the TMI NH70 movement at -3 seconds per day, with very nice lume. On balance, owners find the Spinnaker Croft Mid-Size Skeleton to be a pretty nice option, particularly for its movement performance and lume.

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