Side by side

Marathon Steel Navigator SSNAV AutovsFormex Stratos UTC

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
Stratos UTC
FormexStratos UTC
MSRP $4,663

At a glance

10 of 29 specs differ
Diameter
Steel Navigator SSNAV Auto41mm
Stratos UTC41mm
Power Reserve
Steel Navigator SSNAV Auto40h
Stratos UTC42h
Water Resistance
Steel Navigator SSNAV Auto60m
Stratos UTC100m
MSRP
Steel Navigator SSNAV Auto$1,300
Stratos UTC$4,663

Full specifications

Case

5 specs
Category
Pilot
GMT
Thickness
11.5mm
11.8mm
Lug-to-Lug
48mm
47mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
60m
100m

Crystal & Dial

2 specs
Dial Color
Black
Blue
Lume
None
Super-LumiNova

Movement

2 specs
Caliber
Sellita SW200-1
ETA 2892
Power Reserve
40h
42h

Pricing

1 specs
MSRP
$1,300
$4,663

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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.

Formex Stratos UTC

Owners and reviewers widely praise the Formex Stratos UTC for its user-friendly flyer GMT complication, which utilizes pushers for time-zone adjustments, and its slim 11.8mm case. The watch is noted for its intricate, hand-finished case with a multi-layer construction and excellent finishing, along with a unique two-level case design. The Dubois-Depraz module on an ETA 2892 movement is a highlight, with accuracy figures ranging from +/- 5 to +/- 7 seconds per day. However, some find the dial busy with multiple typefaces and the overall design too complex or "plug ugly," with the price near €4000 considered high by some for a newer brand. Overall, owners and reviewers rate the Formex Stratos UTC highly for its innovative GMT functionality and excellent case finishing at its price point.

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