Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsGrand Seiko SBGJ249

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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 SBGJ249

Grand Seiko SBGJ249 owners and reviewers widely praise its spectacular beauty, particularly the stunning wave dial that shifts color and exhibits an incredible texture. The watch is noted for its perfect proportions and "out of this world" finishing on the case, hands, and hour indices. It is powered by the Hi-Beat Caliber 9S86, a true GMT movement operating at 36,000vph. Accuracy is reported at -3 to +5 seconds per day, with one owner noting +3 seconds per day. The watch is offered at $6,800, which is considered outstanding value. A drawback flagged is its 3 bar water resistance. On balance, owners and reviewers rate the Grand Seiko SBGJ249 highly for its exceptional dial finishing and overall beauty at its price point.

At a glance

11 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
SBGJ24939.5mm
Power Reserve
Flyboy Airmaster GMT Automatic
SBGJ24955h
Water Resistance
Flyboy Airmaster GMT Automatic50m
SBGJ24930m
MSRP
Flyboy Airmaster GMT Automatic$365
SBGJ249$7,700

Full specifications

Case

6 specs
Diameter
40mm
39.5mm
Thickness
14.1mm
Lug-to-Lug
46.9mm
Lug Width
19mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
30m

Crystal & Dial

2 specs
AR Coating
Yes
Dial Color
Black

Movement

2 specs
Caliber
Seiko NH34
9S86
Power Reserve
0h
55h

Pricing

1 specs
MSRP
$365
$7,700
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