Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Magrette Regattare Tika?

The Magrette Regattare Tika 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 Magrette Regattare Tika?

The Magrette Regattare Tika is rated to 500m versus 300m for the Serica Ref. 5303 Diving Chronometer.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Magrette Regattare Tika?

Both watches run automatic movements — the Serica Ref. 5303 Diving Chronometer uses the M100 COSC and the Magrette Regattare Tika uses the Miyota 9015.

Side by side

Serica Ref. 5303 Diving ChronometervsMagrette Regattare Tika

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

Magrette Regattare Tika

tika

At a glance

11 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Regattare Tika44mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Regattare Tika42h

Water Resistance

Ref. 5303 Diving Chronometer300m

Regattare Tika500m

MSRP

Ref. 5303 Diving Chronometer$1,768

Regattare Tika—

Full specifications

Case

5 specs

Diameter

39mm

44mm

Thickness

12.2mm

—

Lug-to-Lug

46.5mm

—

Lug Width

20mm

—

Water Resistance

300m

500m

Crystal & Dial

3 specs

AR Coating

Yes

Inner

Dial Color

Enamel Black

—

Lume

Super-LumiNova

SuperLuminova

Movement

2 specs

Caliber

M100 COSC

Miyota 9015

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

—

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