Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Praesidus Pathfinder 44?

At MSRP the Praesidus Pathfinder 44 is the cheaper of the two at $550, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $1,218 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Praesidus Pathfinder 44?

The Serica Ref. 5303 Diving Chronometer wears larger at 39mm versus 38mm for the Praesidus Pathfinder 44 — a 1mm difference across the dial.

Which has better water resistance, the Serica Ref. 5303 Diving Chronometer or the Praesidus Pathfinder 44?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 100m for the Praesidus Pathfinder 44.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the Praesidus Pathfinder 44?

The Serica Ref. 5303 Diving Chronometer carries a 42-hour power reserve against 40 hours on the Praesidus Pathfinder 44.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Praesidus Pathfinder 44?

Both watches run automatic movements — the Serica Ref. 5303 Diving Chronometer uses the M100 COSC and the Praesidus Pathfinder 44 uses the Miyota 9039.

Side by side

Serica Ref. 5303 Diving ChronometervsPraesidus Pathfinder 44

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

Praesidus Pathfinder 44

P-38-BOB-B-DBRSG

MSRP $550

At a glance

15 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Pathfinder 4438mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Pathfinder 4440h

Water Resistance

Ref. 5303 Diving Chronometer300m

Pathfinder 44100m

MSRP

Ref. 5303 Diving Chronometer$1,768

Pathfinder 44$550

Full specifications

Case

7 specs

Crystal & Dial

4 specs

Crystal

Sapphire

Domed Sapphire

AR Coating

Yes

Inner

Dial Color

Enamel Black

Brown

Lume

Super-LumiNova

None

Movement

3 specs

Caliber

M100 COSC

Miyota 9039

Power Reserve

42h

40h

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$550

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