Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsYema Wristmaster Slim CMM.20

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

Flyboy Airmaster GMT Automatic
AVI-8Flyboy Airmaster GMT Automatic
MSRP $365
Wristmaster Slim CMM.20
YemaWristmaster Slim CMM.20
MSRP $2,117

At a glance

6 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
Wristmaster Slim CMM.2039mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
Wristmaster Slim CMM.2040h
Water Resistance
Flyboy Airmaster GMT Automatic50m
Wristmaster Slim CMM.20100m
MSRP
Flyboy Airmaster GMT Automatic$365
Wristmaster Slim CMM.20$2,117

Full specifications

Case

4 specs
Diameter
40mm
39mm
Thickness
9mm
Lug Width
24mm
Water Resistance
50m
100m

Movement

1 specs
Caliber
NH34
Yema CMM.20

Pricing

1 specs
MSRP
$365
$2,117

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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.

AVI-8 Flyboy Airmaster GMT Automatic

Owners widely praise the AVI-8 Flyboy Airmaster GMT Automatic for its robust build quality, intricate three-timezone function, and crisp dial texture. The watch is noted for its wearable 41mm case size and 48.5mm lug-to-lug, with an internally positioned GMT complication that maintains a clean dial appearance. Some owners report the stock leather strap feels cheap and limits strap changing options. On balance, owners rate the AVI-8 Flyboy Airmaster GMT Automatic highly for its solid finishing and value, particularly highlighting the dial's depth and texture.

Yema Wristmaster Slim CMM.20

The Yema Wristmaster Slim CMM.20 is widely praised for its compelling integrated bracelet design and comfortable 39mm wearability. Reviewers highlight its impressive value, featuring an in-house CMM.20 micro-rotor movement with a 70-hour power reserve, adjusted to -3/+7 seconds per day, all within a slim 9mm case. Some note the domed sapphire crystal can produce glare and the dial text is quite small. On balance, reviewers rate the Yema Wristmaster Slim CMM.20 highly for its integrated design and value proposition with a micro-rotor movement.

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