Side by side

CWC GS Sapphire Military Green WatchvsMarathon Steel Navigator SSNAV-D Auto

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

GS Sapphire Military Green Watch
CWCGS Sapphire Military Green Watch
MSRP $333
Steel Navigator SSNAV-D Auto
MarathonSteel Navigator SSNAV-D Auto
MSRP $1,400

At a glance

12 of 29 specs differ
Diameter
GS Sapphire Military Green Watch36.5mm
Steel Navigator SSNAV-D Auto41mm
Power Reserve
GS Sapphire Military Green Watch40h
Steel Navigator SSNAV-D Auto40h
Water Resistance
GS Sapphire Military Green Watch200m
Steel Navigator SSNAV-D Auto60m
MSRP
GS Sapphire Military Green Watch$333
Steel Navigator SSNAV-D Auto$1,400

Full specifications

Case

7 specs
Category
Field
Pilot
Diameter
36.5mm
41mm
Thickness
12mm
11mm
Lug-to-Lug
46mm
48mm
Lug Width
19mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
60m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
CWC GS Sapphire Military Green Watch, Black Case with Green Dial
Black
Lume
Super-LumiNova
None

Movement

1 specs
Caliber
Sellita SW220-1

Pricing

1 specs
MSRP
$333
$1,400

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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.

CWC GS Sapphire Military Green Watch

Owners widely praise the CWC GS Sapphire Military Green Watch for its grab-and-go quartz accuracy, sapphire crystal, screw-down crown and case back, and 200m water resistance, a unique combination for a field watch. The 36.5mm case is noted for its subtle size and solid build quality, fitting well with the brand's military heritage and functional, attractive simplicity. Some owners find the watch pricey, particularly with recent tariff and exchange rate increases, and fixed lugs can present a challenge for thicker straps. Overall, owners rate the CWC GS Sapphire Military Green Watch highly for its robust, practical field watch design and reliable quartz movement.

Marathon Steel Navigator SSNAV-D Auto

The Marathon Steel Navigator SSNAV-D Auto is praised for its durable construction, featuring a sandblasted steel case with improved lugs, a bi-directional bezel with excellent action, and 100m water resistance. Owners appreciate the constant visibility provided by self-illuminating tritium gas tubes and the precision of its ETA F06.412 quartz movement, which offers accuracy to about 10 seconds per year. The watch includes a GMT bezel for dual timekeeping and a synthetic sapphire crystal. Overall, owners and reviewers rate the Marathon Steel Navigator SSNAV-D Auto highly for its robust tool-watch design and reliable tritium illumination.

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