Side by side

Hamilton Khaki Aviation X-Wind Auto chronovsYema Wristmaster Slim Small Seconds CMM.29

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

Khaki Aviation X-Wind Auto chrono
HamiltonKhaki Aviation X-Wind Auto chrono
MSRP $2,095
Wristmaster Slim Small Seconds CMM.29
YemaWristmaster Slim Small Seconds CMM.29
MSRP $2,249

At a glance

9 of 29 specs differ
Diameter
Khaki Aviation X-Wind Auto chrono44mm
Wristmaster Slim Small Seconds CMM.2939mm
Power Reserve
Khaki Aviation X-Wind Auto chrono60h
Wristmaster Slim Small Seconds CMM.2940h
Water Resistance
Khaki Aviation X-Wind Auto chrono100m
Wristmaster Slim Small Seconds CMM.29100m
MSRP
Khaki Aviation X-Wind Auto chrono$2,095
Wristmaster Slim Small Seconds CMM.29$2,249

Full specifications

Case

5 specs
Category
Pilot
Dress
Diameter
44mm
39mm
Thickness
15.6mm
9mm
Lug-to-Lug
46mm
Lug Width
22mm
20mm

Crystal & Dial

1 specs
Dial Color
Blue
Black

Movement

2 specs
Caliber
H-21
Yema CMM.29
Power Reserve
60h
40h

Pricing

1 specs
MSRP
$2,095
$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.

Hamilton Khaki Aviation X-Wind Auto chrono

Owners widely praise the Hamilton Khaki Aviation X-Wind Auto chrono for its good quality for the price and versatility with straps. Reviewers highlight its unique drift angle calculator function as a horological curio and legitimate navigational tool, noting its modified Valjoux 7750 movement provides a 60-hour power reserve. Some owners find the busy dial and left-handed crown/pusher setup unusual, and its lume could be stronger, while others consider it a heavy travel watch with features not useful for everyday use. On balance, owners and reviewers rate the Hamilton Khaki Aviation X-Wind Auto chrono highly for its functionality and build quality 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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