Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Boldr Five-in-a-Row?

At MSRP the Boldr Five-in-a-Row is the cheaper of the two at $399, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $1,369 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Boldr Five-in-a-Row?

The Serica Ref. 5303 Diving Chronometer wears larger at 39mm versus 38mm for the Boldr Five-in-a-Row — a 1mm difference across the dial.

Which has better water resistance, the Serica Ref. 5303 Diving Chronometer or the Boldr Five-in-a-Row?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 200m for the Boldr Five-in-a-Row.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the Boldr Five-in-a-Row?

The Serica Ref. 5303 Diving Chronometer carries a 42-hour power reserve against 40 hours on the Boldr Five-in-a-Row.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Boldr Five-in-a-Row?

Both watches run automatic movements — the Serica Ref. 5303 Diving Chronometer uses the M100 COSC and the Boldr Five-in-a-Row uses the Seiko NH35A.

Side by side

Serica Ref. 5303 Diving ChronometervsBoldr Five-in-a-Row

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

Boldr Five-in-a-Row

five-in-a-row-i

MSRP $399

At a glance

11 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Five-in-a-Row38mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Five-in-a-Row40h

Water Resistance

Ref. 5303 Diving Chronometer300m

Five-in-a-Row200m

MSRP

Ref. 5303 Diving Chronometer$1,768

Five-in-a-Row$399

Full specifications

Case

6 specs

Crystal & Dial

1 specs

Dial Color

Enamel Black

Five In A Row I

Movement

3 specs

Caliber

M100 COSC

Seiko NH35A

Power Reserve

42h

40h

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$399

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