Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch?

At MSRP the Serica Ref. 5330 Diving Chronometer Date is the cheaper of the two at $2,005, against $2,900 for the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch — a $895 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch?

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch wears larger at 42.6mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 3.6mm difference across the dial.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch?

The Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch carries a 50-hour power reserve against 42 hours on the Serica Ref. 5330 Diving Chronometer Date.

What movement does the Serica Ref. 5330 Diving Chronometer Date run compared to the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch uses the 8L35.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsSeiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Serica Ref. 5330 Diving Chronometer Date

5330-chronometre-plongee-date

MSRP $2,005

Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch

sla077j1

MSRP $2,900

At a glance

11 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch50h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$2,900

Full specifications

Case

3 specs

Diameter

39mm

42.6mm

Thickness

12.2mm

13.4mm

Lug-to-Lug

46.5mm

49.3mm

Crystal & Dial

3 specs

Crystal Shape

Flat

Curved

AR Coating

Yes

Anti-reflective coating on inner surface

Lume

Super-LumiNova

LumiBrite on hands, index(es) and bezel

Movement

4 specs

Caliber

SoProd M100

8L35

Power Reserve

42h

50h

Jewels

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$2,900

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