Side by side

CWC GS Sapphire WatchvsSpinnaker Dumas GMT

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

GS Sapphire Watch
CWCGS Sapphire Watch
MSRP $333
Dumas GMT
SpinnakerDumas GMT
MSRP $399

At a glance

13 of 29 specs differ
Diameter
GS Sapphire Watch36.5mm
Dumas GMT44mm
Power Reserve
GS Sapphire Watch40h
Dumas GMT40h
Water Resistance
GS Sapphire Watch200m
Dumas GMT300m
MSRP
GS Sapphire Watch$333
Dumas GMT$399

Full specifications

Case

7 specs
Category
Field
GMT
Diameter
36.5mm
44mm
Thickness
12mm
15mm
Lug-to-Lug
46mm
48mm
Lug Width
19mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
300m

Crystal & Dial

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

Movement

2 specs
Caliber
Seiko NH34A
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$333
$399

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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.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

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