Which is bigger, the Dumoreau Monopusher Chronograph or the Spinnaker Dumas GMT?

The Spinnaker Dumas GMT wears larger at 44mm versus 40mm for the Dumoreau Monopusher Chronograph — a 4mm difference across the dial.

Which has better water resistance, the Dumoreau Monopusher Chronograph or the Spinnaker Dumas GMT?

The Spinnaker Dumas GMT is rated to 300m versus 100m for the Dumoreau Monopusher Chronograph.

Which has a longer power reserve, the Dumoreau Monopusher Chronograph or the Spinnaker Dumas GMT?

The Dumoreau Monopusher Chronograph carries a 63-hour power reserve against 40 hours on the Spinnaker Dumas GMT.

What movement does the Dumoreau Monopusher Chronograph run compared to the Spinnaker Dumas GMT?

The Dumoreau Monopusher Chronograph runs a manual caliber (Sellita SW510-M-MPC-B), while the Spinnaker Dumas GMT runs a automatic (Seiko NH34A).

Side by side

Dumoreau Monopusher ChronographvsSpinnaker Dumas GMT

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

Add a watch

Dumoreau Monopusher Chronograph

monopusher-chronograph-reverse-panda-black

Spinnaker Dumas GMT

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

MSRP $399

At a glance

12 of 29 specs differ

Diameter

Monopusher Chronograph40mm

Dumas GMT44mm

Power Reserve

Monopusher Chronograph63h

Dumas GMT40h

Water Resistance

Monopusher Chronograph100m

Dumas GMT300m

MSRP

Monopusher Chronograph—

Dumas GMT$399

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Dial Color

Black

Blue

Movement

3 specs

Caliber

Sellita SW510-M-MPC-B

Seiko NH34A

Type

Manual

Automatic

Power Reserve

63h

40h

Pricing

1 specs

MSRP

—

$399

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