Which is cheaper, the Filippo Loreti Watches Neptune Automatic or the Fortis Marinemaster M-40?

At MSRP the Filippo Loreti Watches Neptune Automatic is the cheaper of the two at $260, against $3,520 for the Fortis Marinemaster M-40 — a $3,260 gap before any retailer discounting.

Which is bigger, the Filippo Loreti Watches Neptune Automatic or the Fortis Marinemaster M-40?

The Filippo Loreti Watches Neptune Automatic wears larger at 43mm versus 40mm for the Fortis Marinemaster M-40 — a 3mm difference across the dial.

Which has better water resistance, the Filippo Loreti Watches Neptune Automatic or the Fortis Marinemaster M-40?

The Fortis Marinemaster M-40 is rated to 300m versus 200m for the Filippo Loreti Watches Neptune Automatic.

Which has a longer power reserve, the Filippo Loreti Watches Neptune Automatic or the Fortis Marinemaster M-40?

The Filippo Loreti Watches Neptune Automatic carries a 41-hour power reserve against 38 hours on the Fortis Marinemaster M-40.

What movement does the Filippo Loreti Watches Neptune Automatic run compared to the Fortis Marinemaster M-40?

Both watches run automatic movements — the Filippo Loreti Watches Neptune Automatic uses the Seiko NH36 and the Fortis Marinemaster M-40 uses the Sellita SW220-1.

Side by side

Filippo Loreti Watches Neptune AutomaticvsFortis Marinemaster M-40

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

Add a watch

Filippo Loreti Watches Neptune Automatic

neptune-automatic-black

MSRP $260

Fortis Marinemaster M-40

M-40

MSRP $3,520

Buy from Filippo Loreti Watches ↗

Buy used on eBay ↗

Buy from Fortis ↗

Buy used on eBay ↗

At a glance

11 of 29 specs differ

Diameter

Neptune Automatic43mm

Marinemaster M-4040mm

Power Reserve

Neptune Automatic41h

Marinemaster M-4038h

Water Resistance

Neptune Automatic200m

Marinemaster M-40300m

MSRP

Neptune Automatic$260

Marinemaster M-40$3,520

Full specifications

Case

6 specs

Crystal & Dial

1 specs

Dial Color

—

Orange

Movement

3 specs

Caliber

Seiko NH36

Sellita SW220-1

Power Reserve

41h

38h

Jewels

Pricing

1 specs

MSRP

$260

$3,520

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

CWC (Cabot Watch Company)micro

Follow this matchup

Get a note when Filippo Loreti Watches Neptune Automatic vs Fortis Marinemaster M-40 gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.

CWC (Cabot Watch Company) 1980 RN Divers Automatic Re-Issue WatchvsFortis Marinemaster M-40 Fortis Marinemaster M-40vsLorier Neptune SIV Fortis Marinemaster M-40vsMinor Watches Heritage The Traced Fortis Marinemaster M-40vsCWC 1980 RN Divers Automatic Re-Issue Watch Marathon Arctic OSAR 41mm AutomaticvsFilippo Loreti Watches Neptune Automatic Marathon OSAR-D (Original SAR with Date) Automatic 41mmvsFilippo Loreti Watches Neptune Automatic

Edit this comparison Add another watch Explore more 39–44mm watches

Filippo Loreti Watches Neptune AutomaticvsFortis Marinemaster M-40

At a glance

Full specifications

More watches worth a look

1980 RN Divers Automatic Re-Issue Watch

Arctic OSAR 41mm Automatic

Neptune SIV

Heritage The Traced

1980 RN Divers Automatic Re-Issue Watch

Arctic Radar Automatic Diver Watch

Phalanx

Bucintoro 1976 - Limited Edition

Follow this matchup

People also compared