Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsGlycine Combat Sub Sport

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
Combat Sub Sport
GlycineCombat Sub Sport
MSRP $1,850

At a glance

17 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
Combat Sub Sport39mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
Combat Sub Sport38h
Water Resistance
Flyboy Airmaster GMT Automatic50m
Combat Sub Sport300m
MSRP
Flyboy Airmaster GMT Automatic$365
Combat Sub Sport$1,850

Full specifications

Case

8 specs
Category
GMT
Diver
Diameter
40mm
39mm
Thickness
11.2mm
Lug Width
20mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Water Resistance
50m
300m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Indices
Applied
Lume
None
Luminous

Movement

4 specs
Caliber
NH34
SW200-1
Power Reserve
40h
38h
Jewels
25
26
Complications
None
Date

Pricing

1 specs
MSRP
$365
$1,850

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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.

Glycine Combat Sub Sport

Owners widely praise the Glycine Combat Sub Sport for its exceptional thinness, with multiple sources noting profiles between 10.4mm and 11mm, comfortable wearability on a variety of wrist sizes due to its proportions and contoured lugs, and its value, especially when found under $400. Some owners highlight its refined finishing and unique, non-homage design, while others appreciate its ruggedness and durability, with one noting PVD coating remained flawless after three years of heavy use. Accuracy figures range from excellent, with one owner reporting only 2 seconds lost per day, to inconsistent power reserve and occasional reported issues with the movement and stem. The lume is described as subpar by some, though one owner found it marginally better than a Seiko SKX007. Reservations are occasionally raised regarding warranty service and the use of folded end links on the bracelet.

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