Which is cheaper, the Fortis Marinemaster M-40 or the Sheffield 1A 38?

At MSRP the Sheffield 1A 38 is the cheaper of the two at $238, against $3,520 for the Fortis Marinemaster M-40 — a $3,282 gap before any retailer discounting.

Which is bigger, the Fortis Marinemaster M-40 or the Sheffield 1A 38?

The Fortis Marinemaster M-40 wears larger at 40mm versus 38mm for the Sheffield 1A 38 — a 2mm difference across the dial.

Which has better water resistance, the Fortis Marinemaster M-40 or the Sheffield 1A 38?

The Fortis Marinemaster M-40 is rated to 300m versus 200m for the Sheffield 1A 38.

What movement does the Fortis Marinemaster M-40 run compared to the Sheffield 1A 38?

Both watches run automatic movements — the Fortis Marinemaster M-40 uses the Sellita SW220-1 and the Sheffield 1A 38 uses the Seiko NH35.

Side by side

Fortis Marinemaster M-40vsSheffield 1A 38

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

Add a watch

Fortis Marinemaster M-40

M-40

MSRP $3,520

Sheffield 1A 38

1a-38-blue

MSRP $238

At a glance

10 of 29 specs differ

Diameter

Marinemaster M-4040mm

1A 3838mm

Power Reserve

Marinemaster M-4038h

1A 38—

Water Resistance

Marinemaster M-40300m

1A 38200m

MSRP

Marinemaster M-40$3,520

1A 38$238

Full specifications

Case

5 specs

Diameter

40mm

38mm

Thickness

13mm

12.8mm

Lug-to-Lug

—

46mm

Lug Width

21mm

20mm

Water Resistance

300m

200m

Crystal & Dial

1 specs

Dial Color

Orange

Blue

Movement

3 specs

Caliber

Sellita SW220-1

Seiko NH35

Power Reserve

38h

—

Jewels

Pricing

1 specs

MSRP

$3,520

$238

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Fortis Marinemaster M-40vsSheffield 1A 38

At a glance

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