Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition?

At MSRP the Serica Ref. 5330 Diving Chronometer Date is the cheaper of the two at $2,005, against $2,500 for the Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition — a $495 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition?

The Seiko Prospex SPEEDTIMER Seiko 145th 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 better water resistance, the Serica Ref. 5330 Diving Chronometer Date or the Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 10m for the Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition?

The Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition carries a 45-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 SPEEDTIMER Seiko 145th Anniversary Limited Edition?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Seiko Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition uses the 8R48.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsSeiko Prospex SPEEDTIMER Seiko 145th 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 SPEEDTIMER Seiko 145th Anniversary Limited Edition

srq059j1

MSRP $2,500

At a glance

13 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition42mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition45h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition100m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

Prospex SPEEDTIMER Seiko 145th Anniversary Limited Edition$2,500

Full specifications

Case

5 specs

Crystal & Dial

3 specs

Crystal Shape

Flat

Curved

AR Coating

Yes

Anti-reflective coating on inner surface

Lume

Super-LumiNova

LumiBrite on hands and index(es)

Movement

4 specs

Caliber

SoProd M100

8R48

Power Reserve

42h

45h

Jewels

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$2,500

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