Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsFeynman Timekeepers Cove

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

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.

Feynman Timekeepers Cove

Owners widely praise the Feynman Timekeepers Cove for its original and versatile design. One owner highlights the lume as a key appeal. One owner found the Feynman Cove outside their price range. Overall, owners rate the Feynman Timekeepers Cove highly for its original and versatile design.

At a glance

10 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
Cove40mm
Power Reserve
Flyboy Airmaster GMT Automatic
Cove50h
Water Resistance
Flyboy Airmaster GMT Automatic50m
Cove200m
MSRP
Flyboy Airmaster GMT Automatic$365
Cove$1,045

Full specifications

Case

6 specs
Category
GMT
Thickness
12.8mm
Lug-to-Lug
46mm
Lug Width
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
200m

Crystal & Dial

1 specs
Lume
None
C3 X1-grade Swiss SuperLuminova

Movement

2 specs
Caliber
Seiko NH34
ETA 2895-2
Power Reserve
0h
50h

Pricing

1 specs
MSRP
$365
$1,045
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