Side by side

Marathon Steel Navigator SSNAV AutovsNOMOS Glashütte Tangomat GMT

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
Tangomat GMT
NOMOS GlashütteTangomat GMT
MSRP $5,740

At a glance

17 of 29 specs differ
Diameter
Steel Navigator SSNAV Auto41mm
Tangomat GMT40mm
Power Reserve
Steel Navigator SSNAV Auto40h
Tangomat GMT42 hoursh
Water Resistance
Steel Navigator SSNAV Auto60m
Tangomat GMT30m
MSRP
Steel Navigator SSNAV Auto$1,300
Tangomat GMT$5,740

Full specifications

Case

8 specs
Category
Pilot
GMT
Diameter
41mm
40mm
Thickness
11.5mm
10.9mm
Lug-to-Lug
48mm
50.5mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Water Resistance
60m
30m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black
White
Indices
Applied

Movement

4 specs
Caliber
Sellita SW200-1
DUW 5201
Beat Rate
28,800 vph
21,600 vph
Power Reserve
40h
42 hoursh
Jewels
25
26

Pricing

1 specs
MSRP
$1,300
$5,740

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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.

NOMOS Glashütte Tangomat GMT

Owners and reviewers widely praise the NOMOS Glashütte Tangomat GMT for its elegant Bauhaus design, detailed finishing, and true in-house GMT movement, with many considering it excellent value. The watch's simplicity and user-friendly world time dial are highlighted as refreshing departures from busy designs. Some owners find the 40mm case wears larger than expected, and the GMT function, which uses a disk adjusted by a pusher, is noted as requiring manual adjustment and can be less convenient than a traditional hour hand for some users. One owner reported a daily accuracy drift of 25-35 seconds, while another experienced accidental pressing of the timezone pusher. On balance, owners and reviewers rate the NOMOS Glashütte Tangomat GMT highly for its unique in-house GMT complication and refined aesthetic at an accessible price point.

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