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We chose the Alsta Nautoscaph II to be the first watch manufactured by the new Alsta Watch Co.

Original styling…

Our attention to detail in recreating the Alsta Nautoscaph II was uncompromising, right down to the specially-manufactured super-domed crystal. There were many configurations of the original Nautoscaph, including a host of different bezels and dial details, such as stick indices, coffin-shaped indices, numbers at 3, 6, 9, 12 and various other combinations. We tried every option on the design table and chose this clean and contemporary configuration for the Nautoscaph II.

…using modern technology

We made all possible technical, safety and performance improvements while retaining as much of the original design as possible. Your beautifully-styled Alsta Nautoscaph II timepiece oozes the same romance and charm of the original. The only difference being; modern-day materials and technology. Like the original, it is powered by a quality automatic movement.

Every component of the Alsta Nautoscaph II is manufactured in Switzerland or Germany, except its NH35A automatic movement which is manufactured by Seiko of Japan.

Quality engineering, manufacture and design will always be a hallmark of Alsta watches.


Hooper was wealthy but was also a man of science. He demanded truth and relied upon quality of information and methodology in all his findings as opposed to hearsay or taking things at face value. It is no surprise that this man, who could have afforded any brand, chose quality as opposed to brand recognition in all of his diving and research equipment. This included a discerning choice of timepiece.

It was also the obvious choice for us to bring Alsta out of the archives and back onto the wrist.

The Alsta Nautoscaph was immortalised in the 1975 classic movie Jaws when it was the timepiece of choice of oceanographer Matt Hooper played by Richard Dreyfuss.



Alsta timepieces are made to be robust and withstand the pressures of the ocean floor, the knocks of climbing the highest peaks, the vibrations and shocks of racing on the water or on the track.

In addition to being manufactured and tested to withstand the toughest conditions, Alsta timepieces are made to be beautiful and elegant in appearance. They can be worn for any occasion from the workplace to when you are dressed that bit smarter.

The Alsta Nautoscaph II is a dive watch that is styled to be worn on any occasion. It has a unidirectional bezel which removes the risk of it being accidentally turned while underwater which could result in a fatal miscalculation of dive time. It is manufactured and tested to withstand the pressure of depths of 999ft which is 300m or 29atm. The original Nautoscaph had 999ft on its dial which is a touch we loved and therefore kept. We told you that we don’t just follow the herd!

The Nautoscaph II is also manufactured and tested to be anti-magnetic to a field strength of 4,800 A/m (ISO 764 compliant) and shock-resistant to ISO 1413 standard.


The Nautoscaph II watch case is cast from 316L grade Stainless Steel. Grade 316L is the standard molybdenum bearing grade which means it has high corrosion resistant properties and particularly high resistance to pitting and crevice corrosion in chloride environments. It is also anti-magnetic.

We do, however, recommend that if you submerge your watch in salt water regularly or for long periods of time that you give it a quick rinse under fresh water after submersion.


The Alsta Nautoscaph II crown forms part of a triple-lock mechanism that ensures the water resistance of the watch. The crown itself has distinctive crosshatch engraving which can often be found on the crowns of super-compressor divers’ watches of the 1960s and 1970s.

This is our nod to the style and panache of watchmaking in that golden period.


The Alsta Nautoscaph II domed glass is a hardened mineral crystal which may scratch easier than sapphire crystal, however, we chose mineral crystal for this watch as it is generally more resilient and less brittle than sapphire and therefore is less likely to shatter and let water in. Light scratches are relatively easy to remove by polishing and if the scratches are deeper you can return to us to have a replacement fitted. Our crystals are tested for toughness and contain an anti-reflective coating on the inside to aid clear vision.

We wanted the Nautoscaph II to follow its predecessor and have a lovely domed crystal therefore we designed and manufactured these super-domed crystals especially in order that it was true to its heritage in design terms. Performance improvements resulted in that the original Nautoscaph contained plexiglass which is more prone to scratching. Also, we decided to remove the magnifying “cyclops” above the date window in order to reduce the risk of damage to the crystal.