Which is cheaper, the Oris Divers Sixty‑Five 12h Calibre 400 or the Serica Ref. 5330 Diving Chronometer Date?

At MSRP the Serica Ref. 5330 Diving Chronometer Date is the cheaper of the two at $2,005, against $4,300 for the Oris Divers Sixty‑Five 12h Calibre 400 — a $2,295 gap before any retailer discounting.

Which is bigger, the Oris Divers Sixty‑Five 12h Calibre 400 or the Serica Ref. 5330 Diving Chronometer Date?

The Oris Divers Sixty‑Five 12h Calibre 400 wears larger at 40mm versus 39mm for the Serica Ref. 5330 Diving Chronometer Date — a 1mm difference across the dial.

Which has better water resistance, the Oris Divers Sixty‑Five 12h Calibre 400 or the Serica Ref. 5330 Diving Chronometer Date?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 100m for the Oris Divers Sixty‑Five 12h Calibre 400.

Which has a longer power reserve, the Oris Divers Sixty‑Five 12h Calibre 400 or the Serica Ref. 5330 Diving Chronometer Date?

The Serica Ref. 5330 Diving Chronometer Date carries a 42-hour power reserve against 120 hours hours on the Oris Divers Sixty‑Five 12h Calibre 400.

What movement does the Oris Divers Sixty‑Five 12h Calibre 400 run compared to the Serica Ref. 5330 Diving Chronometer Date?

Both watches run automatic movements — the Oris Divers Sixty‑Five 12h Calibre 400 uses the CALIBRE 400 and the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100.

Side by side

Oris Divers Sixty‑Five 12h Calibre 400vsSerica Ref. 5330 Diving Chronometer Date

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

Oris Divers Sixty‑Five 12h Calibre 400

01-400-7772-4054-07-8-20-18

MSRP $4,300

Serica Ref. 5330 Diving Chronometer Date

5330-chronometre-plongee-date

MSRP $2,005

At a glance

16 of 29 specs differ

Diameter

Divers Sixty‑Five 12h Calibre 40040mm

Ref. 5330 Diving Chronometer Date39mm

Power Reserve

Divers Sixty‑Five 12h Calibre 400120 hoursh

Ref. 5330 Diving Chronometer Date42h

Water Resistance

Divers Sixty‑Five 12h Calibre 400100m

Ref. 5330 Diving Chronometer Date300m

MSRP

Divers Sixty‑Five 12h Calibre 400$4,300

Ref. 5330 Diving Chronometer Date$2,005

Full specifications

Case

6 specs

Diameter

40mm

39mm

Thickness

—

12.2mm

Lug-to-Lug

—

46.5mm

Finish

—

Brushed and polished

Water Resistance

100m

300m

Caseback

—

Solid

Crystal & Dial

4 specs

Crystal Shape

—

Flat

AR Coating

Underside

Yes

Indices

—

Applied

Lume

None

Super-LumiNova

Movement

5 specs

Caliber

CALIBRE 400

SoProd M100

Beat Rate

4 vph

28,800 vph

Power Reserve

120 hoursh

42h

Jewels

Complications

Date

COSC, Date

Pricing

1 specs

MSRP

$4,300

$2,005

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