Which is cheaper, the AVI-8 Flyboy Airmaster GMT Automatic or the Timefactors Aerotimer?

At MSRP the AVI-8 Flyboy Airmaster GMT Automatic is the cheaper of the two at $365, against $416 for the Timefactors Aerotimer — a $51 gap before any retailer discounting.

Which is bigger, the AVI-8 Flyboy Airmaster GMT Automatic or the Timefactors Aerotimer?

The Timefactors Aerotimer wears larger at 42mm versus 40mm for the AVI-8 Flyboy Airmaster GMT Automatic — a 2mm difference across the dial.

Which has better water resistance, the AVI-8 Flyboy Airmaster GMT Automatic or the Timefactors Aerotimer?

The Timefactors Aerotimer is rated to 100m versus 50m for the AVI-8 Flyboy Airmaster GMT Automatic.

What movement does the AVI-8 Flyboy Airmaster GMT Automatic run compared to the Timefactors Aerotimer?

The AVI-8 Flyboy Airmaster GMT Automatic runs a automatic caliber (Seiko NH34), while the Timefactors Aerotimer runs a mecaquartz (Seiko VK64).

Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsTimefactors Aerotimer

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Add a watch

AVI-8 Flyboy Airmaster GMT Automatic

MSRP $365

See the full Flyboy Airmaster GMT Automatic

Timefactors Aerotimer

MSRP $416

See the full Aerotimer

Buy from AVI-8 ↗

Buy used on eBay ↗

Buy from Timefactors ↗

Buy used on eBay ↗

At a glance

12 of 29 specs differ

Diameter

Flyboy Airmaster GMT Automatic40mm

Aerotimer42mm

Power Reserve

Flyboy Airmaster GMT Automatic—

Aerotimer—

Water Resistance

Flyboy Airmaster GMT Automatic50m

Aerotimer100m

MSRP

Flyboy Airmaster GMT Automatic$365

Aerotimer$416

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Lume

None

SuperLuminova C3

Movement

3 specs

Caliber

Seiko NH34

Seiko VK64

Type

Automatic

Mecaquartz

Power Reserve

—

Pricing

1 specs

MSRP

$365

$416

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.

Islander Islander Melville GMT with Blue Hammer Dial #ISL-222

Islandermicro

Under $50

Islander Melville GMT with Blue Hammer Dial #ISL-222

9 watches · 9 variantsUnder $50

40mm·Automatic·100m WR

$369MSRP

—Used

Filippo Loreti Watchesmicro

Ascari Dive Chronograph (2-subdial)

3 variantsSeries

42mm·Mecaquartz·100m WR

$190MSRP

—Used

PAROSmicro

Transatlantic GMT aviator world-timer GMT, crown-guard case + inner rotating bezel, full Arabic 24h numeral ring

Filippo Loreti Watchesmicro

Follow this matchup

Get a note when AVI-8 Flyboy Airmaster GMT Automatic vs Timefactors Aerotimer gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

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

PAROS Transatlantic GMT aviator world-timer GMT, crown-guard case + inner rotating bezel, full Arabic 24h numeral ringvsTimefactors Aerotimer Marloe Watch Company Motorsport 105vsTimefactors Aerotimer Nodus Sector II GMTvsTimefactors Aerotimer Marloe Watch Company Motorsport 105 (Marketplace)vsTimefactors Aerotimer AVI-8 Flyboy Airmaster GMT AutomaticvsTSAO Baltimore Constellation Chrono-Diver - Panda AVI-8 Flyboy Airmaster GMT AutomaticvsTSAO Baltimore Constellation Chrono-Diver - Midnight Grey

Edit this comparison Add another watch Explore more 39–43mm watches

AVI-8 Flyboy Airmaster GMT AutomaticvsTimefactors Aerotimer

At a glance

Full specifications

More watches worth a look

Islander Melville GMT with Blue Hammer Dial #ISL-222

Ascari Dive Chronograph (2-subdial)

Transatlantic GMT aviator world-timer GMT, crown-guard case + inner rotating bezel, full Arabic 24h numeral ring

Marino Gold Black Rubber

Croft 39 GMT

Tachymetre

Globetrotter GMT

Fleuss Chronograph

Follow this matchup

People also compared