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

At MSRP the Spinnaker Dumas Automatic is the cheaper of the two at $239, against $516 for the Oblvlo JM Tourbillon — a $277 gap before any retailer discounting.

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

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

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

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

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

The Oblvlo JM Tourbillon carries a 65-hour power reserve against 40 hours on the Spinnaker Dumas Automatic.

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

Both watches run automatic movements — the Oblvlo JM Tourbillon uses the OBL.8024 and the Spinnaker Dumas Automatic uses the SII NH35A.

Side by side

Oblvlo JM TourbillonvsSpinnaker Dumas Automatic

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

Oblvlo JM Tourbillon

JM-TB

MSRP $516

Spinnaker Dumas Automatic

dumas-blue-yonder-sp-5081-dd

MSRP $239

At a glance

14 of 29 specs differ

Diameter

JM Tourbillon42mm

Dumas Automatic44mm

Power Reserve

JM Tourbillon65h

Dumas Automatic40h

Water Resistance

JM Tourbillon50m

Dumas Automatic300m

MSRP

JM Tourbillon$516

Dumas Automatic$239

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Dial Color

Black

Blue

Lume

Super-LumiNova

None

Movement

4 specs

Caliber

OBL.8024

SII NH35A

Power Reserve

65h

40h

Jewels

Complications

Tourbillon

None

Pricing

1 specs

MSRP

$516

$239

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Oblvlo JM TourbillonvsSpinnaker Dumas Automatic

At a glance

Full specifications

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