Which is cheaper, the AVI-8 Flyboy Airmaster GMT Automatic or the Serket Watch Co Reef?

At MSRP the AVI-8 Flyboy Airmaster GMT Automatic is the cheaper of the two at $365, against $899 for the Serket Watch Co Reef — a $534 gap before any retailer discounting.

Which is bigger, the AVI-8 Flyboy Airmaster GMT Automatic or the Serket Watch Co Reef?

The Serket Watch Co Reef wears larger at 46mm versus 40mm for the AVI-8 Flyboy Airmaster GMT Automatic — a 6mm difference across the dial.

Which has better water resistance, the AVI-8 Flyboy Airmaster GMT Automatic or the Serket Watch Co Reef?

The Serket Watch Co Reef is rated to 300m versus 50m for the AVI-8 Flyboy Airmaster GMT Automatic.

What movement does the AVI-8 Flyboy Airmaster GMT Automatic run compared to the Serket Watch Co Reef?

Both watches run automatic movements — the AVI-8 Flyboy Airmaster GMT Automatic uses the Seiko NH34 and the Serket Watch Co Reef uses the Sellita SW200-1.

Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsSerket Watch Co Reef

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

MSRP $899

Buy from Serket Watch Co ↗

Buy used on eBay ↗

At a glance

10 of 29 specs differ

Diameter

Flyboy Airmaster GMT Automatic40mm

Reef46mm

Power Reserve

Flyboy Airmaster GMT Automatic—

Reef38h

Water Resistance

Flyboy Airmaster GMT Automatic50m

Reef300m

MSRP

Flyboy Airmaster GMT Automatic$365

Reef$899

Full specifications

Case

7 specs

Movement

2 specs

Caliber

Seiko NH34

Sellita SW200-1

Power Reserve

38h

Pricing

1 specs

MSRP

$365

$899

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AVI-8 Flyboy Airmaster GMT AutomaticvsSerket Watch Co Reef

At a glance

Full specifications

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