Side by side

Marathon Steel Navigator SSNAV AutovsZelos Spearfish 3

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
Spearfish 3
ZelosSpearfish 3
MSRP $749

At a glance

7 of 29 specs differ
Diameter
Steel Navigator SSNAV Auto41mm
Spearfish 340mm
Power Reserve
Steel Navigator SSNAV Auto40h
Spearfish 340h
Water Resistance
Steel Navigator SSNAV Auto60m
Spearfish 3200m
MSRP
Steel Navigator SSNAV Auto$1,300
Spearfish 3$749

Full specifications

Case

4 specs
Category
Pilot
Diver
Diameter
41mm
40mm
Lug-to-Lug
48mm
40mm
Water Resistance
60m
200m

Crystal & Dial

1 specs
Dial Color
Black
Diver - Forged Carbon

Movement

1 specs
Caliber
Sellita SW200-1
La Joux-Perret G100

Pricing

1 specs
MSRP
$1,300
$749

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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.

Zelos Spearfish 3

The Zelos Spearfish 3 is widely praised for its exceptional finishing, with razor-sharp polish and flawless brushed transitions that owners feel exceed its price point. The 40mm case is noted for its wearability, and the La Joux-Perret G100 movement offers a 68-hour power reserve, with reported accuracy averaging +2.6 seconds per day. Reviewers highlight the exceptionally smooth bi-directional bezel and a tool-less micro-adjustment clasp described as best-in-class among microbrands. The sapphire sandwich construction and lumed bezel are also cited as desirable features. Overall, owners and reviewers rate the Zelos Spearfish 3 highly for its outstanding finishing and value at its price point.

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