Which is cheaper, the Oblvlo JM Rotor or the Spinnaker Dumas Automatic?

At MSRP the Spinnaker Dumas Automatic is the cheaper of the two at $239, against $299 for the Oblvlo JM Rotor — a $60 gap before any retailer discounting.

Which is bigger, the Oblvlo JM Rotor or the Spinnaker Dumas Automatic?

The Spinnaker Dumas Automatic wears larger at 44mm versus 42mm for the Oblvlo JM Rotor — a 2mm difference across the dial.

Which has better water resistance, the Oblvlo JM Rotor or the Spinnaker Dumas Automatic?

The Spinnaker Dumas Automatic is rated to 300m versus 50m for the Oblvlo JM Rotor.

Which has a longer power reserve, the Oblvlo JM Rotor or the Spinnaker Dumas Automatic?

The Oblvlo JM Rotor carries a 42-hour power reserve against 40 hours on the Spinnaker Dumas Automatic.

What movement does the Oblvlo JM Rotor run compared to the Spinnaker Dumas Automatic?

Both watches run automatic movements — the Oblvlo JM Rotor uses the Miyota 8215 and the Spinnaker Dumas Automatic uses the SII NH35A.

Side by side

Oblvlo JM RotorvsSpinnaker Dumas Automatic

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

Oblvlo JM Rotor

JM-ROTOR

MSRP $299

Spinnaker Dumas Automatic

dumas-blue-yonder-sp-5081-dd

MSRP $239

At a glance

12 of 29 specs differ

Diameter

JM Rotor42mm

Dumas Automatic44mm

Power Reserve

JM Rotor42h

Dumas Automatic40h

Water Resistance

JM Rotor50m

Dumas Automatic300m

MSRP

JM Rotor$299

Dumas Automatic$239

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Dial Color

Black

Blue

Movement

3 specs

Caliber

Miyota 8215

SII NH35A

Power Reserve

42h

40h

Jewels

Pricing

1 specs

MSRP

$299

$239

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Oblvlo JM RotorvsSpinnaker Dumas Automatic

At a glance

Full specifications

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