Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsGrand Seiko SBGP009

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
SBGP009
Grand SeikoSBGP009
MSRP $3,100

At a glance

10 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
SBGP00940mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
SBGP00940h
Water Resistance
Flyboy Airmaster GMT Automatic50m
SBGP009100m
MSRP
Flyboy Airmaster GMT Automatic$365
SBGP009$3,100

Full specifications

Case

6 specs
Category
GMT
Dress
Thickness
10.6mm
Lug-to-Lug
47mm
Lug Width
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

2 specs
Caliber
NH34
9F85
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$365
$3,100

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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 SBGP009

Grand Seiko SBGP009 owners note its "normal quartz" movement, and one owner criticizes the bracelet for lacking a taper. One owner cites a 40-year-old Seiko quartz watch that has only required battery changes as evidence of the reliability of Grand Seiko's quartz movements. On balance, owners value the Grand Seiko SBGP009 for its perceived long-term reliability.

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