Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsGrand Seiko SBGD228

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
SBGD228
Grand SeikoSBGD228
MSRP $273,000

At a glance

12 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
SBGD22844.5mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
SBGD228192h
Water Resistance
Flyboy Airmaster GMT Automatic50m
SBGD228100m
MSRP
Flyboy Airmaster GMT Automatic$365
SBGD228$273,000

Full specifications

Case

7 specs
Category
GMT
Chronograph
Diameter
40mm
44.5mm
Thickness
14.4mm
Lug-to-Lug
52mm
Lug Width
23mm
Material
316L Stainless Steel
Gold
Water Resistance
50m
100m

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

3 specs
Caliber
NH34
9R01
Type
Automatic
Spring Drive
Power Reserve
40h
192h

Pricing

1 specs
MSRP
$365
$273,000

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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 SBGD228

The Grand Seiko SBGD228 is a limited edition luxury watch featuring a rose gold case, a red mother-of-pearl dial with garnets and diamonds, and the 8-day Spring Drive Caliber 9R01, noted for its accuracy of ±10 seconds per month. Owners are divided on its aesthetic, with some finding it stunning and elegant, while others consider it too "bling" and gaudy, though all acknowledge it is eye-catching. On balance, owners and reviewers acknowledge the Grand Seiko SBGD228's striking and opulent design, supported by its exclusive movement and luxurious materials.

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