Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsGrand Seiko SBGM245

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
SBGM245
Grand SeikoSBGM245
MSRP $6,100

At a glance

10 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
SBGM24540.5mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
SBGM24572h
Water Resistance
Flyboy Airmaster GMT Automatic50m
SBGM245200m
MSRP
Flyboy Airmaster GMT Automatic$365
SBGM245$6,100

Full specifications

Case

6 specs
Diameter
40mm
40.5mm
Thickness
14.4mm
Lug-to-Lug
48.6mm
Lug Width
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
200m

Crystal & Dial

1 specs
AR Coating
Inner
Yes

Movement

2 specs
Caliber
NH34
9S66
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$365
$6,100

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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 SBGM245

Owners widely appreciate the Grand Seiko SBGM245 for its blend of sport and luxury, with one enthusiast highlighting its superior workmanship over quartz movements. However, opinions on its size vary, as one owner found the SBGM245 too large, preferring the comfort of a different variant. Overall, owners value the Grand Seiko SBGM245 for its refined craftsmanship, though its wearability is a point of personal preference.

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