AVI-8 Flyboy Airmaster GMT AutomaticvsGruppo Gamma Field III GMT Date

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

AVI-8 Flyboy Airmaster GMT Automatic at true scale

Flyboy Airmaster GMT Automatic

Gruppo Gamma Field III GMT Date at true scale

Field III GMT Date

Diameter

40mm

40mm

Lug-to-Lug

n/a

48.5mm

Thickness

n/a

14mm

Water Resistance

50m

200m

highest

Power Reserve

n/a

41h

MSRP

$345

lowest

$459

Movement

Seiko NH34

Seiko NH34

Case

5 specs
Thickness
n/a
14mm
Lug-to-Lug
n/a
48.5mm
Lug Width
n/a
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
200m

Crystal & Dial

2 specs
AR Coating
n/a
Yes
Lume
None
Super-LumiNova

Movement

2 specs
Power Reserve
0h
41h
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$345
$459
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Reviews

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 unique aviator style, robust build, and crisp dial texture, with one owner noting a complex three-timezone function. The watch is considered fun and wearable with solid dimensions, though some find the dial busy and difficult to read, and the stock strap is noted as cheap with limited lug hole options. Some owners question the quality relative to price, while others acknowledge that AVI-8 watches, often featuring Seiko NH34 movements, are generally considered decent for their $100-$200 price point. On balance, owners rate the AVI-8 Flyboy Airmaster GMT Automatic well for its standout aviator design and value at the price.

Gruppo Gamma Field III GMT Date

Owners widely praise the Gruppo Gamma Field III GMT Date for its incredible quality, awesome looks, and good value for the price. The watch features a 40mm brushed 316L stainless steel case, a box sapphire crystal, and a Seiko NH34 automatic movement. Some owners note accuracy figures ranging from -20 to +40 seconds per day, while others report +5 seconds per day. One user found the 40mm size unsuitable for small wrists. Overall, owners rate the Gruppo Gamma Field III GMT Date highly for its build quality and aesthetic appeal at its price point.

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