Side by side

CWC GS Sapphire WatchvsFortis Marinemaster M-40

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

GS Sapphire Watch
CWCGS Sapphire Watch
MSRP $333
Marinemaster M-40
FortisMarinemaster M-40
MSRP $3,520

At a glance

14 of 29 specs differ
Diameter
GS Sapphire Watch36.5mm
Marinemaster M-4040mm
Power Reserve
GS Sapphire Watch40h
Marinemaster M-4038h
Water Resistance
GS Sapphire Watch200m
Marinemaster M-40300m
MSRP
GS Sapphire 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 Watch, Black with Black Dial
Orange
Lume
Super-LumiNova
None

Movement

4 specs
Caliber
Sellita SW220-1
Type
Quartz
Automatic
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 Watch

Owners widely praise the CWC GS Sapphire Watch for its extreme wearability, legible dial with a minute track, and robust build, embodying military heritage in a contemporary field watch. Its subtle 36.5mm size and 200m water resistance with a screw-down crown are frequently highlighted as practical strengths, with some owners appreciating the sapphire crystal over acrylic. The watch is noted as a "strap monster" with high-quality included straps. Some owners find the CWC GS Sapphire overpriced, and fixed spring bars are a noted drawback, though justified by military specification, presenting a challenge for thicker straps. Overall, owners rate the CWC GS Sapphire highly for its practical design, military heritage, and wearability at its price point.

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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