Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsGrand Seiko SBGK007

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
SBGK007
Grand SeikoSBGK007
MSRP $7,300

At a glance

12 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
SBGK00739mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
SBGK00772h
Water Resistance
Flyboy Airmaster GMT Automatic50m
SBGK00730m
MSRP
Flyboy Airmaster GMT Automatic$365
SBGK007$7,300

Full specifications

Case

7 specs
Category
GMT
Dress
Diameter
40mm
39mm
Thickness
11.6mm
Lug-to-Lug
44mm
Lug Width
19mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
30m

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

3 specs
Caliber
NH34
9S63
Type
Automatic
Manual
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$365
$7,300

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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 SBGK007

The Grand Seiko SBGK007 is praised for its glorious champagne-to-silver-white sunburst dial and domed sapphire crystal. Owners and reviewers highlight its wonderfully slim profile, attributed to the manual-wind movement, contributing to excellent wearability and a design that subtly evokes vintage pieces. The movement is described as attractive yet workmanlike, with accuracy rated between +5 to -3 seconds per day and a 72-hour power reserve. The watch measures 39mm and 11.6mm thick, and is offered on a high-quality leather strap. On balance, owners and reviewers highly regard the Grand Seiko SBGK007 for its elegant slim case and beautifully textured dial.

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