Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Boldr Merlion 50th Anniversary?

At MSRP the Boldr Merlion 50th Anniversary is the cheaper of the two at $449, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $1,319 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Boldr Merlion 50th Anniversary?

The Boldr Merlion 50th Anniversary wears larger at 40mm versus 39mm for the Serica Ref. 5303 Diving Chronometer — a 1mm difference across the dial.

Which has better water resistance, the Serica Ref. 5303 Diving Chronometer or the Boldr Merlion 50th Anniversary?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 200m for the Boldr Merlion 50th Anniversary.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the Boldr Merlion 50th Anniversary?

The Serica Ref. 5303 Diving Chronometer carries a 42-hour power reserve against 40 hours on the Boldr Merlion 50th Anniversary.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Boldr Merlion 50th Anniversary?

Both watches run automatic movements — the Serica Ref. 5303 Diving Chronometer uses the M100 COSC and the Boldr Merlion 50th Anniversary uses the Seiko NH35A.

Side by side

Serica Ref. 5303 Diving ChronometervsBoldr Merlion 50th Anniversary

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 Merlion 50th Anniversary

merlion-50th-anniversary

MSRP $449

At a glance

10 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Merlion 50th Anniversary40mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Merlion 50th Anniversary40h

Water Resistance

Ref. 5303 Diving Chronometer300m

Merlion 50th Anniversary200m

MSRP

Ref. 5303 Diving Chronometer$1,768

Merlion 50th Anniversary$449

Full specifications

Case

5 specs

Crystal & Dial

1 specs

Dial Color

Enamel Black

Merlion 50th Anniversary

Movement

3 specs

Caliber

M100 COSC

Seiko NH35A

Power Reserve

42h

40h

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$449

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