Which is cheaper, the Omnis LUNA or the Spinnaker Dumas GMT?

At MSRP the Omnis LUNA is the cheaper of the two at $353, against $399 for the Spinnaker Dumas GMT — a $46 gap before any retailer discounting.

Which is bigger, the Omnis LUNA or the Spinnaker Dumas GMT?

The Spinnaker Dumas GMT wears larger at 44mm versus 39mm for the Omnis LUNA — a 5mm difference across the dial.

Which has better water resistance, the Omnis LUNA or the Spinnaker Dumas GMT?

The Spinnaker Dumas GMT is rated to 300m versus 100m for the Omnis LUNA.

Which has a longer power reserve, the Omnis LUNA or the Spinnaker Dumas GMT?

The Omnis LUNA carries a 48-hour power reserve against 40 hours on the Spinnaker Dumas GMT.

What movement does the Omnis LUNA run compared to the Spinnaker Dumas GMT?

Both watches run automatic movements — the Omnis LUNA uses the Miyota 8 Series and the Spinnaker Dumas GMT uses the Seiko NH34.

Side by side

Omnis LUNAvsSpinnaker Dumas GMT

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

Add a watch

Omnis LUNA

omnis-luna-cadran-pierres

MSRP $353

Spinnaker Dumas GMT

dumas-gmt-automatic-ocean-blue-sp-5119-55

MSRP $399

At a glance

11 of 29 specs differ

Diameter

LUNA39mm

Dumas GMT44mm

Power Reserve

LUNA48h

Dumas GMT40h

Water Resistance

LUNA100m

Dumas GMT300m

MSRP

LUNA$353

Dumas GMT$399

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Dial Color

—

Blue

Movement

2 specs

Caliber

Miyota 8 Series

Seiko NH34

Power Reserve

48h

40h

Pricing

1 specs

MSRP

$353

$399

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