Side by side

Marathon Steel Navigator SSNAV-D QuartzvsNOMOS Glashütte Tetra 27 duo

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

Steel Navigator SSNAV-D Quartz
MarathonSteel Navigator SSNAV-D Quartz
MSRP $1,300
Tetra 27 duo
NOMOS GlashütteTetra 27 duo
MSRP $2,090

At a glance

19 of 29 specs differ
Diameter
Steel Navigator SSNAV-D Quartz41mm
Tetra 27 duo27.5mm
Power Reserve
Steel Navigator SSNAV-D Quartz40h
Tetra 27 duo53 hoursh
Water Resistance
Steel Navigator SSNAV-D Quartz60m
Tetra 27 duo50m
MSRP
Steel Navigator SSNAV-D Quartz$1,300
Tetra 27 duo$2,090

Full specifications

Case

9 specs
Category
Pilot
Dress
Diameter
41mm
27.5mm
Thickness
11mm
6.1mm
Lug-to-Lug
48mm
38.5mm
Lug Width
20mm
18mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Water Resistance
60m
50m
Caseback
Solid

Crystal & Dial

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

Movement

5 specs
Caliber
Swiss High-Torque Quartz
DUW 4001
Type
Quartz
Manual
Beat Rate
28,800 vph
21,600 vph
Power Reserve
40h
53 hoursh
Jewels
25
17

Pricing

1 specs
MSRP
$1,300
$2,090

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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 Quartz

The Marathon Steel Navigator SSNAV-D Quartz is widely praised for its high-accuracy Swiss Made ETA F06.412 HeavyDrive-PreciDrive quartz movement, rated at +/- 10 seconds per year, and its tritium lume. Reviewers and owners highlight its functional tool-watch appeal, noting the sandblasted steel case with an asymmetric design, excellent bi-directional bezel action, and drilled lug holes. Some owners find it perfectly suited for sport/rugged use, though not necessarily as an everyday watch. One owner points out that the case's distinctive asymmetry deviates from current aesthetic trends. Overall, owners and reviewers rate the Marathon Steel Navigator SSNAV-D Quartz highly for its robust build and exceptional timekeeping accuracy at its price point.

NOMOS Glashütte Tetra 27 duo

Owners widely praise the NOMOS Glashütte Tetra 27 duo for its ideal small and light wearing dimensions, beautiful dial that shifts with lighting, and gorgeous blued hands, with some finding its 27mm size perfect for vintage preferences. The watch is noted for its precise, Art Deco-inspired design and good finishing. However, some owners and reviewers consider the 27.5mm size too small, labeling it a women's watch, though others find it unisex and note its square shape can make it wear larger. One owner flags the buckle as disappointingly generic and the grey suede strap as prone to getting dirty. Overall, owners and reviewers highly regard the NOMOS Glashütte Tetra 27 duo for its elegant design and comfortable wearability at its price point.

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