Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Lucky Harvey Black Slots Machine?

At MSRP the Lucky Harvey Black Slots Machine is the cheaper of the two at $1,199, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $569 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Lucky Harvey Black Slots Machine?

The Lucky Harvey Black Slots Machine wears larger at 43mm versus 39mm for the Serica Ref. 5303 Diving Chronometer — a 4mm difference across the dial.

Which has better water resistance, the Serica Ref. 5303 Diving Chronometer or the Lucky Harvey Black Slots Machine?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 30m for the Lucky Harvey Black Slots Machine.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the Lucky Harvey Black Slots Machine?

The Serica Ref. 5303 Diving Chronometer carries a 42-hour power reserve against 40 hours on the Lucky Harvey Black Slots Machine.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Lucky Harvey Black Slots Machine?

Both watches run automatic movements — the Serica Ref. 5303 Diving Chronometer uses the M100 COSC and the Lucky Harvey Black Slots Machine uses the Lucky Harvey in-house automatic caliber.

Side by side

Serica Ref. 5303 Diving ChronometervsLucky Harvey Black Slots Machine

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

Lucky Harvey Black Slots Machine

slot-machine-watch-black-player-series-with-gemstone-hour-markers

MSRP $1,199

Buy from Serica ↗

Buy used on eBay ↗

Buy from Lucky Harvey ↗

Buy used on eBay ↗

At a glance

13 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Black Slots Machine43mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Black Slots Machine40h

Water Resistance

Ref. 5303 Diving Chronometer300m

Black Slots Machine30m

MSRP

Ref. 5303 Diving Chronometer$1,768

Black Slots Machine$1,199

Full specifications

Case

6 specs

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Enamel Black

Black

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

M100 COSC

Lucky Harvey in-house automatic caliber

Power Reserve

42h

40h

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$1,199

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