Fortis Marinemaster M-40vsThorn 40mm NH35A Diver Automatic Watch

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Fortis Marinemaster M-40

Ref. M-40·MSRP $3,520

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Thorn 40mm NH35A Diver Automatic Watch

Ref. thorn-40mm-marine-200-master-nh35-diver-watch·MSRP $169

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Buy from Thorn Used on eBay

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Marinemaster M-40

40mm NH35A Diver Automatic Watch

Diameter

Across the case, crown excluded.

40mm

Lug-to-Lug

The number that decides fit.

n/a

47.8mm

Thickness

How it sits under a cuff.

13mm

lowest

13.6mm

Water Resistance

Rated in meters.

300m

highest

200m

Power Reserve

How long it runs off the wrist.

38h

n/a

MSRP

Sticker price, new.

$3,520

$169

lowest

Movement

What drives the hands.

Sellita SW220-1

PT5000

Spec

Marinemaster M-40

40mm NH35A Diver Automatic Watch

Case

5 specs

Thickness

13mm

13.6mm

Lug-to-Lug

n/a

47.8mm

Lug Width

21mm

20mm

Material

Stainless Steel

316L stainless steel

Water Resistance

300m

200m

Crystal & Dial

1 specs

Dial Color

Orange

n/a

Movement

4 specs

Caliber

Sellita SW220-1

PT5000

Beat Rate

28,800 vph

0 vph

Power Reserve

38h

Jewels

Pricing

1 specs

MSRP

$3,520

$169

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Fortis Marinemaster M-40vsThorn 40mm NH35A Diver Automatic Watch

Measurements

Case

Crystal & Dial

Movement

Pricing

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