Side by side

Formex Field AutomaticvsMarathon Steel Navigator SSNAV-D Quartz

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

Field Automatic
FormexField Automatic
MSRP $881
Steel Navigator SSNAV-D Quartz
MarathonSteel Navigator SSNAV-D Quartz
MSRP $1,300

At a glance

12 of 29 specs differ
Diameter
Field Automatic40mm
Steel Navigator SSNAV-D Quartz41mm
Power Reserve
Field Automatic41h
Steel Navigator SSNAV-D Quartz40h
Water Resistance
Field Automatic150m
Steel Navigator SSNAV-D Quartz60m
MSRP
Field Automatic$881
Steel Navigator SSNAV-D Quartz$1,300

Full specifications

Case

6 specs
Category
Field
Pilot
Diameter
40mm
41mm
Thickness
10.6mm
11mm
Lug-to-Lug
46.6mm
48mm
Material
Titanium
316L Stainless Steel
Water Resistance
150m
60m

Crystal & Dial

2 specs
Dial Color
Ash Grey
Black
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Sellita SW200-1
Swiss High-Torque Quartz
Type
Automatic
Quartz
Power Reserve
41h
40h

Pricing

1 specs
MSRP
$881
$1,300

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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.

Formex Field Automatic

Owners widely praise the Formex Field Automatic for its lightweight, scratch-resistant Grade 2 titanium case with a hardening treatment and its comfortable wearability, especially with quick-release straps and a carbon clasp. Reviewers and owners alike highlight the dial's legibility and depth, with one noting the Petrol Blue's great color and subtle texture. The Sellita SW200-1 movement is considered a practical choice, with one owner reporting accuracy of +1 second per day. The watch offers 150m water resistance and is seen as good value under $1000. Some owners desire a matching titanium bracelet and find the numeral typography less appealing. Overall, owners and reviewers rate the Formex Field Automatic highly for its robust, comfortable titanium construction and functional dial design at its price point.

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.

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