Side by side

CWC GS Sapphire WatchvsYema Wristmaster Slim Small Seconds CMM.29

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

GS Sapphire Watch
CWCGS Sapphire Watch
MSRP $333
Wristmaster Slim Small Seconds CMM.29
YemaWristmaster Slim Small Seconds CMM.29
MSRP $2,249

At a glance

12 of 29 specs differ
Diameter
GS Sapphire Watch36.5mm
Wristmaster Slim Small Seconds CMM.2939mm
Power Reserve
GS Sapphire Watch40h
Wristmaster Slim Small Seconds CMM.2940h
Water Resistance
GS Sapphire Watch200m
Wristmaster Slim Small Seconds CMM.29100m
MSRP
GS Sapphire Watch$333
Wristmaster Slim Small Seconds CMM.29$2,249

Full specifications

Case

6 specs
Category
Field
Dress
Diameter
36.5mm
39mm
Thickness
12mm
9mm
Lug-to-Lug
46mm
Lug Width
19mm
20mm
Water Resistance
200m
100m

Crystal & Dial

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

Movement

2 specs
Caliber
Yema CMM.29
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$333
$2,249

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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.

Yema Wristmaster Slim Small Seconds CMM.29

Owners widely praise the Yema Wristmaster Slim Small Seconds CMM.29 for its slim 9.5mm case, unique nature-inspired dial, and brushed steel finish. The micro-rotor movement is noted for its 4Hz beat rate and 42-hour power reserve, regulated to -/+ 10 seconds per day. Some owners report concerns regarding the movement and warranty process, while a reviewer questioned the value proposition at its price point and noted minor finishing inconsistencies on a prototype. On balance, the Yema Wristmaster Slim Small Seconds CMM.29 is highly regarded by owners for its distinctive design and comfortable wearability.

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