Which is cheaper, the Serica Ref. 5330 Diving Chronometer Date or the Oblvlo JM Rotor?

At MSRP the Oblvlo JM Rotor is the cheaper of the two at $299, against $2,005 for the Serica Ref. 5330 Diving Chronometer Date — a $1,706 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5330 Diving Chronometer Date or the Oblvlo JM Rotor?

The Oblvlo JM Rotor 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 Oblvlo JM Rotor?

The Serica Ref. 5330 Diving Chronometer Date is rated to 300m versus 50m for the Oblvlo JM Rotor.

Which has a longer power reserve, the Serica Ref. 5330 Diving Chronometer Date or the Oblvlo JM Rotor?

The Oblvlo JM Rotor carries a 42-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 Oblvlo JM Rotor?

Both watches run automatic movements — the Serica Ref. 5330 Diving Chronometer Date uses the SoProd M100 and the Oblvlo JM Rotor uses the Miyota 8215.

Side by side

Serica Ref. 5330 Diving Chronometer DatevsOblvlo JM Rotor

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

Oblvlo JM Rotor

JM-ROTOR

MSRP $299

At a glance

12 of 29 specs differ

Diameter

Ref. 5330 Diving Chronometer Date39mm

JM Rotor42mm

Power Reserve

Ref. 5330 Diving Chronometer Date42h

JM Rotor42h

Water Resistance

Ref. 5330 Diving Chronometer Date300m

JM Rotor50m

MSRP

Ref. 5330 Diving Chronometer Date$2,005

JM Rotor$299

Full specifications

Case

5 specs

Crystal & Dial

2 specs

AR Coating

Yes

Inner

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

SoProd M100

Miyota 8215

Power Reserve

42h

Jewels

Complications

COSC, Date

None

Pricing

1 specs

MSRP

$2,005

$299

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