Which is cheaper, the Spinnaker Dumas GMT or the Seiko Essentials Roman Numeral (Ladies)?

At MSRP the Seiko Essentials Roman Numeral (Ladies) is the cheaper of the two at $350, against $399 for the Spinnaker Dumas GMT — a $49 gap before any retailer discounting.

Which is bigger, the Spinnaker Dumas GMT or the Seiko Essentials Roman Numeral (Ladies)?

The Spinnaker Dumas GMT wears larger at 44mm versus 29.6mm for the Seiko Essentials Roman Numeral (Ladies) — a 14.4mm difference across the dial.

Which has better water resistance, the Spinnaker Dumas GMT or the Seiko Essentials Roman Numeral (Ladies)?

The Spinnaker Dumas GMT is rated to 300m versus 5m for the Seiko Essentials Roman Numeral (Ladies).

What movement does the Spinnaker Dumas GMT run compared to the Seiko Essentials Roman Numeral (Ladies)?

The Spinnaker Dumas GMT runs a automatic caliber (Seiko NH34A), while the Seiko Essentials Roman Numeral (Ladies) runs a quartz (6N01).

Side by side

Spinnaker Dumas GMTvsSeiko Essentials Roman Numeral (Ladies)

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

Spinnaker Dumas GMT

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

MSRP $399

Seiko Essentials Roman Numeral (Ladies)

sur609

MSRP $350

At a glance

11 of 29 specs differ

Diameter

Dumas GMT44mm

Essentials Roman Numeral (Ladies)29.6mm

Power Reserve

Dumas GMT40h

Essentials Roman Numeral (Ladies)40h

Water Resistance

Dumas GMT300m

Essentials Roman Numeral (Ladies)50m

MSRP

Dumas GMT$399

Essentials Roman Numeral (Ladies)$350

Full specifications

Case

7 specs

Crystal & Dial

1 specs

Dial Color

Blue

Black

Movement

2 specs

Caliber

Seiko NH34A

6N01

Type

Automatic

Quartz

Pricing

1 specs

MSRP

$399

$350

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