Which is cheaper, the AVI-8 Flyboy Airmaster GMT Automatic or the Oblvlo JM Tourbillon?

At MSRP the AVI-8 Flyboy Airmaster GMT Automatic is the cheaper of the two at $365, against $516 for the Oblvlo JM Tourbillon — a $151 gap before any retailer discounting.

Which is bigger, the AVI-8 Flyboy Airmaster GMT Automatic or the Oblvlo JM Tourbillon?

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

Which has a longer power reserve, the AVI-8 Flyboy Airmaster GMT Automatic or the Oblvlo JM Tourbillon?

The Oblvlo JM Tourbillon carries a 65-hour power reserve against 40 hours on the AVI-8 Flyboy Airmaster GMT Automatic.

What movement does the AVI-8 Flyboy Airmaster GMT Automatic run compared to the Oblvlo JM Tourbillon?

Both watches run automatic movements — the AVI-8 Flyboy Airmaster GMT Automatic uses the NH34 and the Oblvlo JM Tourbillon uses the OBL.8024.

Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsOblvlo JM Tourbillon

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

AVI-8 Flyboy Airmaster GMT Automatic

flyboy-airmaster-gmt-automatic-engine-black-av-4128-01

MSRP $365

Oblvlo JM Tourbillon

JM-TB

MSRP $516

At a glance

12 of 29 specs differ

Diameter

Flyboy Airmaster GMT Automatic40mm

JM Tourbillon42mm

Power Reserve

Flyboy Airmaster GMT Automatic40h

JM Tourbillon65h

Water Resistance

Flyboy Airmaster GMT Automatic50m

JM Tourbillon50m

MSRP

Flyboy Airmaster GMT Automatic$365

JM Tourbillon$516

Full specifications

Case

6 specs

Crystal & Dial

1 specs

Lume

None

Super-LumiNova

Movement

4 specs

Caliber

NH34

OBL.8024

Power Reserve

40h

65h

Jewels

Complications

None

Tourbillon

Pricing

1 specs

MSRP

$365

$516

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