Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Aigi Watches Arctic Diver Black Dive Watch?

At MSRP the Aigi Watches Arctic Diver Black Dive Watch is the cheaper of the two at $480, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $1,288 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Aigi Watches Arctic Diver Black Dive Watch?

The Aigi Watches Arctic Diver Black Dive Watch wears larger at 41mm versus 39mm for the Serica Ref. 5303 Diving Chronometer — a 2mm difference across the dial.

Which has better water resistance, the Serica Ref. 5303 Diving Chronometer or the Aigi Watches Arctic Diver Black Dive Watch?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 200m for the Aigi Watches Arctic Diver Black Dive Watch.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the Aigi Watches Arctic Diver Black Dive Watch?

The Serica Ref. 5303 Diving Chronometer carries a 42-hour power reserve against 40 hours on the Aigi Watches Arctic Diver Black Dive Watch.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Aigi Watches Arctic Diver Black Dive Watch?

Both watches run automatic movements — the Serica Ref. 5303 Diving Chronometer uses the M100 COSC and the Aigi Watches Arctic Diver Black Dive Watch uses the Seiko NH35A.

Side by side

Serica Ref. 5303 Diving ChronometervsAigi Watches Arctic Diver Black Dive Watch

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

Add a watch

Serica Ref. 5303 Diving Chronometer

5303-1-diving-chronometer

MSRP $1,768

Aigi Watches Arctic Diver Black Dive Watch

arctic-diver-dive-watch

MSRP $480

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At a glance

12 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Arctic Diver Black Dive Watch41mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Arctic Diver Black Dive Watch40h

Water Resistance

Ref. 5303 Diving Chronometer300m

Arctic Diver Black Dive Watch200m

MSRP

Ref. 5303 Diving Chronometer$1,768

Arctic Diver Black Dive Watch$480

Full specifications

Case

5 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Enamel Black

black

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

M100 COSC

Seiko NH35A

Power Reserve

42h

40h

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$480

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