Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the AVI-8 Hawker Harrier Dual Retrograde Chronograph?

At MSRP the AVI-8 Hawker Harrier Dual Retrograde Chronograph is the cheaper of the two at $310, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $1,458 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the AVI-8 Hawker Harrier Dual Retrograde Chronograph?

The AVI-8 Hawker Harrier Dual Retrograde Chronograph wears larger at 44mm versus 39mm for the Serica Ref. 5303 Diving Chronometer — a 5mm difference across the dial.

Which has better water resistance, the Serica Ref. 5303 Diving Chronometer or the AVI-8 Hawker Harrier Dual Retrograde Chronograph?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 50m for the AVI-8 Hawker Harrier Dual Retrograde Chronograph.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the AVI-8 Hawker Harrier Dual Retrograde Chronograph?

The Serica Ref. 5303 Diving Chronometer carries a 42-hour power reserve against 40 hours on the AVI-8 Hawker Harrier Dual Retrograde Chronograph.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the AVI-8 Hawker Harrier Dual Retrograde Chronograph?

The Serica Ref. 5303 Diving Chronometer runs a automatic caliber (M100 COSC), while the AVI-8 Hawker Harrier Dual Retrograde Chronograph runs a quartz.

Side by side

Serica Ref. 5303 Diving ChronometervsAVI-8 Hawker Harrier Dual Retrograde Chronograph

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

Serica Ref. 5303 Diving Chronometer

5303-1-diving-chronometer

MSRP $1,768

AVI-8 Hawker Harrier Dual Retrograde Chronograph

hawker-harrier-dual-retrograde-chronograph-stealth-black-av-4056-05

MSRP $310

At a glance

16 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Hawker Harrier Dual Retrograde Chronograph44mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Hawker Harrier Dual Retrograde Chronograph40h

Water Resistance

Ref. 5303 Diving Chronometer300m

Hawker Harrier Dual Retrograde Chronograph50m

MSRP

Ref. 5303 Diving Chronometer$1,768

Hawker Harrier Dual Retrograde Chronograph$310

Full specifications

Case

7 specs

Crystal & Dial

4 specs

Crystal

Sapphire

Mineral

AR Coating

Yes

Inner

Dial Color

Enamel Black

Black

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

M100 COSC

—

Type

Automatic

Quartz

Power Reserve

42h

40h

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$310

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