Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsGrand Seiko SBGD201

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
SBGD201
Grand SeikoSBGD201

At a glance

12 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
SBGD20143mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
SBGD201192h
Water Resistance
Flyboy Airmaster GMT Automatic50m
SBGD201100m
MSRP
Flyboy Airmaster GMT Automatic$365
SBGD201

Full specifications

Case

7 specs
Category
GMT
Dress
Diameter
40mm
43mm
Thickness
13.2mm
Lug-to-Lug
51.8mm
Lug Width
22mm
Material
316L Stainless Steel
Platinum
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

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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 SBGD201

Grand Seiko SBGD201 owners and reviewers praise its stellar platinum case with Zaratsu polishing and diamond-dust dial, with one reviewer calling it the most beautiful Grand Seiko they have seen. Its Spring Drive caliber 9R01 movement offers an 8-day power reserve from three barrels. While some find the 43mm size too large for its design, others find the 168-gram platinum case comfortable despite its heft. Some community members note the movement finishing is simplistic for its price point and would prefer the artistic finesse of higher-end alternatives. On balance, enthusiasts and reviewers highly regard the Grand Seiko SBGD201 for its exquisite finishing and impressive technical specifications at its price.

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