Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsLorier Hyperion SII

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
Hyperion SII
LorierHyperion SII
MSRP $699

At a glance

7 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
Hyperion SII39mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
Hyperion SII40h
Water Resistance
Flyboy Airmaster GMT Automatic50m
Hyperion SII200m
MSRP
Flyboy Airmaster GMT Automatic$365
Hyperion SII$699

Full specifications

Case

4 specs
Diameter
40mm
39mm
Lug Width
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
200m

Crystal & Dial

1 specs
Dial Color
Black
Blue

Movement

1 specs
Caliber
NH34

Pricing

1 specs
MSRP
$365
$699

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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.

Lorier Hyperion SII

Owners widely praise the Lorier Hyperion SII for its vintage aesthetic, glossy black dial, and tasteful text. One owner notes the Miyota 9075 movement and calls it the best GMT under $800. Criticisms include a small GMT hand that is difficult to spot, and one user found the winding action not smooth with significant crown resistance. Overall, owners rate the Lorier Hyperion SII highly for its vintage aesthetic and value.

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