Side by side

CWC GS Sapphire Military Green WatchvsFortis Marinemaster M-40

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
Marinemaster M-40
FortisMarinemaster M-40
MSRP $3,520

At a glance

13 of 29 specs differ
Diameter
GS Sapphire Military Green Watch36.5mm
Marinemaster M-4040mm
Power Reserve
GS Sapphire Military Green Watch40h
Marinemaster M-4038h
Water Resistance
GS Sapphire Military Green Watch200m
Marinemaster M-40300m
MSRP
GS Sapphire Military Green Watch$333
Marinemaster M-40$3,520

Full specifications

Case

6 specs
Category
Field
Diver
Diameter
36.5mm
40mm
Thickness
12mm
13mm
Lug-to-Lug
46mm
Lug Width
19mm
21mm
Water Resistance
200m
300m

Crystal & Dial

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

Movement

3 specs
Caliber
Sellita SW220-1
Power Reserve
40h
38h
Jewels
25
26

Pricing

1 specs
MSRP
$333
$3,520

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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.

Fortis Marinemaster M-40

Owners praise the Fortis Amber Orange for its gorgeous appearance and strong wrist presence, noting its crazy lume and 70-hour power reserve. The Doxa SUB 300T, described as having a superb, eccentric design with a highly legible dial and functional no-decompression bezel, uses an ETA 2824-2 movement. However, the SUB 300T's 42.5mm case wears large and its 14mm thickness is not ideal for dress shirts, though it boasts 1,200m water resistance. On balance, owners appreciate the Fortis Amber Orange for its striking aesthetics and impressive lume.

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