Frogdiver Black 44
Frogdiver Black 44
Frogdiver Black 44

Frogdiver Black 44

Regular price €1,719.00 Sale price€1,429.00 Save €290.00

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  • Delivery in January 2023
  • 5 years warranty
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The new Frogdiver project began in the autumn of 2019. It is an ambitious project and  initiative between MALM and members of the 44th Mine Clearance Division whom are a part of the 4th Naval Warfare Flotilla in the Swedish Navy. The main objective of this project is to develop a robust and reliable dive watch completely based on the experience of the Swedish frogmen and their requirements.

Frogmen where introduced in the Swedish Navy during the 1950’s under the management of captain Rolf Hamilton. Their main mission was to clear mines and ammunition below the surface which had been left behind after the end of WW2. Today their operations are much larger and wider than that with several international missions to clear mines on land, areas between land and water and far below the surface. 


Case: 44 mm diameter, 316L stainless steel. 3-piece case construction with analog depth gauge.
– Sellita SW200-1
– Manufacture La Joux-Perret G100
Dial: Bluegreen or black dial. Integrated mirror for clearer readability of second and minute hands.  
Lume: Raised BGW9-blocks with tritium tubes fixed on bridges. 
Crystal: Sapphire, drilled hole for water to depth gauge.
Water resistant: 150 ATM / 500 m / 1696 ft
Between lugs: 50 mm

About Frogdiver 44

The name FROGDIVER 44 is a nod to the term “Frogman”, the common name for naval clearance divers. Number 44 suggests both the size/diameter of the watch case as well as the 44th Mine Clearance Division participating in this project. The FROGDIVER 44 is, apart from the Swiss automatic movements from Sellita and La Joux-Perret, designed and developed from scratch by MALM and the divers. The watch combines details from both previous and new scuba gear equipments together with heritage and inspiration from the divers organization. All details are interpreted in high-performance components and functions with shapes, colors, and materials chosen to withstand the tough conditions in the cold and dark Swedish waters. 

Sellita SW200-1
Freq./h 28.800 (4Hz)
26 jewels
38h power reserve

Manufactrue La Joux-Perret G100
Freq./h 28.800 (4Hz)
24 jewels
68h power reserve


Capillary tubes are a well known analog depth meters in the world of diving. They are based on the principle of the Boyle-Mariottes law, has no moving parts and consists of a simple tube that is opened in one end and sealed in the other. While diving and descending, water enters the tube and creates an air bubble that moves inside the tube when pressure changes. Current depth is read by studying the position of the air bubble on a provided scale - a simple solution that may not be particularly accurate, but very durable and reliable.

A capillary tube and depth gauge like this has been installed and milled in to the solid steel of the FROGDIVER watch case. The water enters through a drilled hole in the sapphire crystal and lead into the tube starting at 9 o'clock position. While descending in water, the pressure changes and the air bubble is pushed through the tube clockwise. Connected to the tube there’s a scale showing the current depth that the diver can read. This simple yet innovative solution has been developed by MALM in consultation with the Swedish frogmen as a complement to their modern and digital depth meters.

Dial & Hands

The dial uses several features in order to supply its owner with the best possible readability in bright and dark waters. The dark background creates a clear contrast against the white second-indices that are printed with BGW9. 12 pcs of raised boxes have been applied with BGW9 and supplies bridges for 12 pcs of custom made tritium tubes which illuminates independently of any light sources.

In the watch dial there’s a thin, circularn mirror that enhances the readability of the second and minute hand. The mirror also reflects the lume effect of the tritium tubes and the BGW9 printed indices in the dark environments. The inspiration to this feature comes from one of the gauges of a recompression chamber called “Gullan”, used when the diver is affected by decompression sickness. 

The Frogdiver 44 feature two different, selectable Swiss automatic movement. Both options will be visable through the sapphire caseback.

When the spring is fully wound the watch has a so-called power reserve of 38 hours (SW20) or 68 hours (G100). The spring can be wound manually using the crown at 4 o’clock position.

When using your MALM watch, the watch will be exposed to different types of stresses and strains. Like many other advanced watches and gauges, a very large number of components share a very limited amount of space and like other valuable items you should treat your MALM watch with great care. It is important that you do not expose the watch to unnecessary impacts, chemicals, solvents, hazardous gases, magnetic fields or very cold or hot environments.

The timepiece should be serviced and maintained regularly to work properly. Such services should be performed by MALM or a professional watchmaker for warranty terms to apply. We offer many service options for your watch, from repairing and replacing worn components, pressure testing, resealing, cleaning to polishing, engraving and change dials and more. 

The watch comes in an exclusive, custom made wooden watch box with premium, suede interior. It both protects the watch and offers a perfect display. Inside the box you will also find:

- Strap tool
- Warranty & Certificate of Authenticity card
- Manual 
- Watch cloth