Side by side

Marathon Steel Navigator SSNAV AutovsSpinnaker Croft Mid-Size Skeleton

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

Steel Navigator SSNAV Auto
MarathonSteel Navigator SSNAV Auto
MSRP $1,300
Croft Mid-Size Skeleton
SpinnakerCroft Mid-Size Skeleton
MSRP $425

At a glance

8 of 29 specs differ
Diameter
Steel Navigator SSNAV Auto41mm
Croft Mid-Size Skeleton40mm
Power Reserve
Steel Navigator SSNAV Auto40h
Croft Mid-Size Skeleton40h
Water Resistance
Steel Navigator SSNAV Auto60m
Croft Mid-Size Skeleton100m
MSRP
Steel Navigator SSNAV Auto$1,300
Croft Mid-Size Skeleton$425

Full specifications

Case

5 specs
Category
Pilot
Field
Diameter
41mm
40mm
Thickness
11.5mm
14mm
Lug-to-Lug
48mm
47mm
Water Resistance
60m
100m

Crystal & Dial

1 specs
Dial Color
Black
Dollar Diver

Movement

1 specs
Caliber
Sellita SW200-1
SII NH38A

Pricing

1 specs
MSRP
$1,300
$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 Auto

The Marathon Steel Navigator SSNAV Auto is praised for its high-accuracy quartz movement, with owners noting its comfort and reliable performance. Reviewers highlight its functional tool-watch appeal, featuring a sandblasted steel case, tritium tubes for constant low-light visibility, and 100-meter water resistance. One owner finds the 41mm case runs a bit small. The Marathon Steel Navigator SSNAV Auto utilizes an ETA F06.412 quartz movement with a claimed accuracy of +/- 10 seconds per year and includes a GMT bidirectional bezel. Overall, owners and reviewers rate the Marathon Steel Navigator SSNAV Auto highly for its comfortable wear and dependable, high-accuracy quartz movement.

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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