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 The Swiss Angular Momentum watch company produced the diver “Angular Momentum Dive-Tec/500 Watch” model in 2009. The non-standard model is an alternative to classic watches for deep water diving.
At the watch's creation all requirements, applied to diver time measuring instruments – easy taking readings at points in any conditions, the presence of a rotating bezel, made to measure a dive time, high water resistance, – were considered.
An importaint peculiarity of diver watches is the case's watertightness. Moisture infiltration into the case can cause the movement's details' corrosion. Angular Momentum company’s experts used special cushions to maximize the case's watertightness. At big depths a watch is exposed to high pressure, deforming the case's basic elements – its case back, crystal. A thick deformation resistant sapphire crystal was used as the watch's case back in order to avoid deformation. The crystal's colour can be made by the customer's order, it's often made transparent to be able to observe the Swiss automatic movement's operation.
The watch's case is made of high quality Staybrite 1.4435 NCu steel, resistant to saline water impact. Staybrite has been a symbol of stainless steel products' high quality for over 80 years. The hexagonal crown, driving the watch's movement and correcting time, is made of copper. It's situated on the case's side surface at the “4” position. The model's water resistance enables you to dive up to 500 metres deep.
The watch's dial and the rotating bezel with a stainless steel 12-mm screw are covered with the peculiar “Email Luminuese” luminescent coating.
Email Luminuese is Angular Momentum company's patented innovation. This luminescent coating's glow is much brighter, than that of Super-LumiNova, widely used by many Swiss companies in watches production. The new luminescent solution is a combination of luminophore and enamel. The enamel is recharged by solar light: a 10-minute recharge provides a 35-hour glowing. During daytime the enamel has a yellowish tone and during the night it radiates a pale-green intensive glow, resembling the glow of the luminescent Mycena lux-coeli mushrooms (they are also called the “Heavenly light mushrooms”).
Angular Momentum company's experts were inspired to create the Email Luminuese luminescent enamel by the glowing mushrooms, appearing in Japan during the rain season. The “Heavenly light mushrooms” grow on tree brances and in wet soil. During night time they glow as little lights, creating an impressive and unforgettable scene. Such glowing is caused by a chemical reaction, resulting in production of the lucifrese ferment, which emits energy and light while contacting oxygen.
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