Which is cheaper, the Fortis Marinemaster M-40 or the Seiko Essentials Roman Numeral (Ladies)?

At MSRP the Seiko Essentials Roman Numeral (Ladies) is the cheaper of the two at $350, against $3,520 for the Fortis Marinemaster M-40 — a $3,170 gap before any retailer discounting.

Which is bigger, the Fortis Marinemaster M-40 or the Seiko Essentials Roman Numeral (Ladies)?

The Fortis Marinemaster M-40 wears larger at 40mm versus 29.6mm for the Seiko Essentials Roman Numeral (Ladies) — a 10.4mm difference across the dial.

Which has better water resistance, the Fortis Marinemaster M-40 or the Seiko Essentials Roman Numeral (Ladies)?

The Fortis Marinemaster M-40 is rated to 300m versus 5m for the Seiko Essentials Roman Numeral (Ladies).

Which has a longer power reserve, the Fortis Marinemaster M-40 or the Seiko Essentials Roman Numeral (Ladies)?

The Seiko Essentials Roman Numeral (Ladies) carries a 40-hour power reserve against 38 hours on the Fortis Marinemaster M-40.

What movement does the Fortis Marinemaster M-40 run compared to the Seiko Essentials Roman Numeral (Ladies)?

The Fortis Marinemaster M-40 runs a automatic caliber (Sellita SW220-1), while the Seiko Essentials Roman Numeral (Ladies) runs a quartz (6N01).

Side by side

Fortis Marinemaster M-40vsSeiko Essentials Roman Numeral (Ladies)

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

Fortis Marinemaster M-40

M-40

MSRP $3,520

Seiko Essentials Roman Numeral (Ladies)

sur609

MSRP $350

At a glance

12 of 29 specs differ

Diameter

Marinemaster M-4040mm

Essentials Roman Numeral (Ladies)29.6mm

Power Reserve

Marinemaster M-4038h

Essentials Roman Numeral (Ladies)40h

Water Resistance

Marinemaster M-40300m

Essentials Roman Numeral (Ladies)50m

MSRP

Marinemaster M-40$3,520

Essentials Roman Numeral (Ladies)$350

Full specifications

Case

6 specs

Crystal & Dial

1 specs

Dial Color

Orange

Black

Movement

4 specs

Caliber

Sellita SW220-1

6N01

Type

Automatic

Quartz

Power Reserve

38h

40h

Jewels

Pricing

1 specs

MSRP

$3,520

$350

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