Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition?

At MSRP the Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition is the cheaper of the two at $1,750, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $255 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition?

The Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition wears larger at 42mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 3mm difference across the dial.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition?

The Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition carries a 72-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 Sea Seiko Diver’s Watch 60th Anniversary Limited Edition?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Seiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition uses the 6R54.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsSeiko Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition

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 Sea Seiko Diver’s Watch 60th Anniversary Limited Edition

spb509j1

MSRP $1,750

At a glance

10 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition42mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition72h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition300m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

Prospex Sea Seiko Diver’s Watch 60th Anniversary Limited Edition$1,750

Full specifications

Case

3 specs

Diameter

39mm

42mm

Thickness

12.2mm

13.3mm

Lug-to-Lug

46.5mm

48.6mm

Crystal & Dial

2 specs

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

6R54

Power Reserve

42h

72h

Jewels

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$1,750

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