Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsPhoibos Reef Master

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
Reef Master
PhoibosReef Master
MSRP $335

At a glance

12 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
Reef Master42mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
Reef Master40h
Water Resistance
Flyboy Airmaster GMT Automatic50m
Reef Master200m
MSRP
Flyboy Airmaster GMT Automatic$365
Reef Master$335

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
40mm
42mm
Thickness
13mm
Lug-to-Lug
48mm
Lug Width
22mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Black
Green
Lume
None
Super-LumiNova

Movement

1 specs
Caliber
NH34
SII NH38

Pricing

1 specs
MSRP
$365
$335

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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.

Phoibos Reef Master

Owners widely praise the Phoibos Reef Master for its exceptional value, highlighting its sapphire crystal, DLC coating, and extensive BGW9 lume. The watch is noted for its cool lume, with one owner finding it not bulky despite its robust build. The Shamrock Green dial and texture are highly praised, as is the comfortable bracelet with solid end links. However, the bezel action is described as rough, and the basic folding clasp is a disappointment. Accuracy is reported as excellent, with one owner seeing +-2 sec/day. Some find the 42mm size almost too big for their wrists, and the date window is considered too small. Overall, owners rate the Phoibos Reef Master highly for its impressive feature set and value at its price point.

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