Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsHelgray Poseidon Diver (Automatic)

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
Poseidon Diver (Automatic)
HelgrayPoseidon Diver (Automatic)
MSRP $249

At a glance

8 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
Poseidon Diver (Automatic)40mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
Poseidon Diver (Automatic)40h
Water Resistance
Flyboy Airmaster GMT Automatic50m
Poseidon Diver (Automatic)300m
MSRP
Flyboy Airmaster GMT Automatic$365
Poseidon Diver (Automatic)$249

Full specifications

Case

6 specs
Category
GMT
Diver
Thickness
12mm
Lug-to-Lug
46mm
Lug Width
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
300m

Movement

1 specs
Caliber
NH34
NH35 Warranty

Pricing

1 specs
MSRP
$365
$249

Follow this matchup

Get a note when AVI-8 Flyboy Airmaster GMT Automatic vs Helgray Poseidon Diver (Automatic) gets more votes, a community discussion, or a price drop. No account needed.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.