Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsYema Superman Dato CMM.10

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
Superman Dato CMM.10
YemaSuperman Dato CMM.10
MSRP $1,777

At a glance

9 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
Superman Dato CMM.1039.5mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
Superman Dato CMM.1040h
Water Resistance
Flyboy Airmaster GMT Automatic50m
Superman Dato CMM.10300m
MSRP
Flyboy Airmaster GMT Automatic$365
Superman Dato CMM.10$1,777

Full specifications

Case

5 specs
Category
GMT
Diver
Diameter
40mm
39.5mm
Thickness
11.85mm
Lug Width
20mm
Water Resistance
50m
300m

Crystal & Dial

2 specs
Crystal
Sapphire
Domed Sapphire
Dial Color
Black
39.5mm Automatic

Movement

1 specs
Caliber
NH34
Yema CMM.10

Pricing

1 specs
MSRP
$365
$1,777

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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 Superman Dato CMM.10

Owners widely praise the Yema Superman Dato CMM.10 for its excellent value and retro-inspired design, with particular appreciation for the tropical dial and faded bezel. The in-house CMM.10 movement is noted for its 70-hour power reserve and stated accuracy of +5/-3 seconds per day. Some owners find the strap uncomfortable on smaller wrists, and the bezel lock mechanism is considered flimsy by one reviewer. The CMM.10 movement is thicker than alternative micro-rotor movements. Overall, owners rate the Yema Superman Dato CMM.10 highly for its distinctive aesthetic and strong value proposition.

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