Skip to content

Free Domestic 2-day Shipping On all New Damasko & Fortis watches

Fortis Marinemaster M-40

Regular price $2,850.00 Sale price $2,850.00

Unit price per 



only 1 left in stock

At A Glance

Brand | Fortis

Reference |

Movement | UW-30

Model | Marinemaster M-40

Strap | Rubber

Crystal | Sapphire

Style | Dive Watches

Case Width | 40mm

Case Height | 12.3mm

About This Watch:

The Fortis Marinemaster M-40 was inspired by nature and designed to be the perfect outdoor companion.  Made with recycled steel, the M-40 case is robust, sustainable, and built to handle all of your adventures from land to sea.   Available on both the Fortis Horizon Rubber strap, made with non-allergenic FKM rubber or stainless steel bracelet.

The Movement: The M-40 features the UW-30 high performance automatic movement. The UW-30 has a robust, antimagnetic, gilt Glucydur balance wheel for outstanding precision and a 38-hour power reserve.

The Functions:  Features of the M-40 include hour, minute, and date functions.

The Case: The Fortis Marinemaster M-40 has a 40mm recycled stainless steel case with a sapphire crystal.  The bezel is a unidirectional rotating gear bezel.  The M-40 features a screw-down crown with a triple gasket system and has a water resistance rating of 300m.

The Dial: The dial on the Marinemaster M-40 is available in green, grey, blue and white with an embossed O-pattern, and lumed Fortis logo.  The applied indices are a brushed metallic and filled with SuperLuminova X1 material, as are the hour and minute hands.  The second hand has a lumed dot at the tip. 



Swiss made tool watches born from an incredible history and reimagined for a modern era.

Blog posts

Dec 15, 2022

Watch Hunting in Wetzlar

I've been working in the Camera Retail industry for nearly a decade, namely for Camera West and Leica Store San Franc...

Jul 29, 2022

More than a GMT: The Fortis Flieger F-43 Triple GMT

Fortis has made a GMT watch that is truly mesmerizing. I've not seen anything like it. The Fortis f-43 Triple GMT is a watch and is unashamedly a tool watch built to take on the rigors of everyday use. Wear it in the garage, take it camping, or wear it in a suite. This Fortis watch can do it all and does it well, but that is common. What makes the Triple GMT truly unique?
Close (esc)

Join the Club!

Be the first to know about new watches, incoming pre-owned finds, watch related content and more.

Age verification

By clicking enter you are verifying that you are old enough to consume alcohol.


Added to cart