Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsGrand Seiko SBGH263

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
SBGH263
Grand SeikoSBGH263
MSRP $6,200

At a glance

11 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
SBGH26339.5mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
SBGH26355h
Water Resistance
Flyboy Airmaster GMT Automatic50m
SBGH26330m
MSRP
Flyboy Airmaster GMT Automatic$365
SBGH263$6,200

Full specifications

Case

7 specs
Category
GMT
Dress
Diameter
40mm
39.5mm
Thickness
13.1mm
Lug-to-Lug
46mm
Lug Width
19mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
30m

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

2 specs
Caliber
NH34
9S85
Power Reserve
40h
55h

Pricing

1 specs
MSRP
$365
$6,200

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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.

Grand Seiko SBGH263

The Grand Seiko SBGH263 is praised for its excellent finishing for the price, with reviewers comparing it to Jaeger-LeCoultre. Owners and reviewers highlight the stunning 'Shironeri' dial and gold hands/numerals, and the 39.5mm case size is considered a perfect fit, referencing vintage Grand Seiko models. The watch features a 55-hour power reserve from its 36,000 BPH movement, though one reviewer felt the date aperture was unnecessary. On balance, owners and reviewers rate the Grand Seiko SBGH263 highly for its exceptional dial and finishing at its price point.

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