Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the AVI-8 Flyboy Airmaster GMT Automatic?

At MSRP the AVI-8 Flyboy Airmaster GMT Automatic is the cheaper of the two at $365, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $1,640 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the AVI-8 Flyboy Airmaster GMT Automatic?

The AVI-8 Flyboy Airmaster GMT Automatic wears larger at 40mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 1mm difference across the dial.

Which has better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the AVI-8 Flyboy Airmaster GMT Automatic?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 50m for the AVI-8 Flyboy Airmaster GMT Automatic.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the AVI-8 Flyboy Airmaster GMT Automatic?

The Serica Ref. 5330 Diving Chronometer Date carries a 42-hour power reserve against 40 hours on the AVI-8 Flyboy Airmaster GMT Automatic.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the AVI-8 Flyboy Airmaster GMT Automatic?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the AVI-8 Flyboy Airmaster GMT Automatic uses the NH34.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsAVI-8 Flyboy Airmaster GMT Automatic

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

Serica Ref. 5330 Diving Chronometer Date

5330-chronometre-plongee-date

MSRP $2,005

AVI-8 Flyboy Airmaster GMT Automatic

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

MSRP $365

At a glance

13 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

Flyboy Airmaster GMT Automatic40mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

Flyboy Airmaster GMT Automatic40h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

Flyboy Airmaster GMT Automatic50m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

Flyboy Airmaster GMT Automatic$365

Full specifications

Case

7 specs

Crystal & Dial

2 specs

AR Coating

Yes

Inner

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

SoProd M100

NH34

Power Reserve

42h

40h

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$365

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