Which is cheaper, the Oblvlo GCM Mechanical or the Spinnaker Dumas Automatic?

At MSRP the Oblvlo GCM Mechanical is the cheaper of the two at $231, against $239 for the Spinnaker Dumas Automatic — a $8 gap before any retailer discounting.

Which is bigger, the Oblvlo GCM Mechanical or the Spinnaker Dumas Automatic?

The Spinnaker Dumas Automatic wears larger at 44mm versus 41mm for the Oblvlo GCM Mechanical — a 3mm difference across the dial.

Which has better water resistance, the Oblvlo GCM Mechanical or the Spinnaker Dumas Automatic?

The Spinnaker Dumas Automatic is rated to 300m versus 50m for the Oblvlo GCM Mechanical.

Which has a longer power reserve, the Oblvlo GCM Mechanical or the Spinnaker Dumas Automatic?

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

What movement does the Oblvlo GCM Mechanical run compared to the Spinnaker Dumas Automatic?

Both watches run automatic movements — the Oblvlo GCM Mechanical uses the Miyota 82S5 and the Spinnaker Dumas Automatic uses the SII NH35A.

Side by side

Oblvlo GCM MechanicalvsSpinnaker Dumas Automatic

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

Oblvlo GCM Mechanical

GCM-MUT

MSRP $231

Spinnaker Dumas Automatic

dumas-blue-yonder-sp-5081-dd

MSRP $239

At a glance

12 of 29 specs differ

Diameter

GCM Mechanical41mm

Dumas Automatic44mm

Power Reserve

GCM Mechanical42h

Dumas Automatic40h

Water Resistance

GCM Mechanical50m

Dumas Automatic300m

MSRP

GCM Mechanical$231

Dumas Automatic$239

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Dial Color

Black

Blue

Lume

Super-LumiNova

None

Movement

2 specs

Caliber

Miyota 82S5

SII NH35A

Power Reserve

42h

40h

Pricing

1 specs

MSRP

$231

$239

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Oblvlo GCM MechanicalvsSpinnaker Dumas Automatic

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