![]() Now that we have shown the structural integrity of the U-1001, we can concentrate on what is more visible about the watch. The helium valve therefore is appointed to evacuate the gas and relieve the internal pressure. ![]() The crystal may become dislodged or shatter, and a weak case would be at risk of deformation. At the point when the watch returns to the surface said gases expand and may cause great damage to the watch. Helium and Nitrogen, being very small molecules are able to seep into the watch through the seals while the diver is acclimatizing in a chamber filled with the gas mixture. While its name implies that there is helium gas within the watch, what it is referring to is the helium that is present in “breathing gas” mixtures used by professional divers for very deep dives. Apart from the coolness factor that it adds to the overall look of the watch, this small valve has a very specific function. On the U-Boat U-1001/1 it is placed below the crown on the left side of the case. This strength indicates durability and quality on dry land.Īnother technical feature that is fitted to almost every diving watch is an automatic pressure release valve. Looking at it that way may give a whole new appreciation of how strong diving watches have to be. Consider that at 1000 meters bellow sea-level the crystal alone is supporting the equivalent of about 400 lbs. Because it is flat it does not distort the dial’s features, so its thickness is not evident by looking at the watch straight on. It is constructed out of synthetic sapphire, which is is highly scratch resistant due to its hardness, and it is 5.5mm thick. ![]() In order to withstand the incredible pressure pushing down on it, it must be made extraordinarily thick. One very important aspect of the U-1001/1 is its crystal. The U-1001 cannot actually be classified as a professional diving watch due to its lack of certain diving-related markings, but all structural qualifications are met. The next few paragraphs will look at each of these parts in detail. The designers and engineers then have to take into consideration all the weak spots of the watch like the crystal, crowns, and all the other tiny fissures between parts. In order to survive this tremendous pressure a timepiece needs a strong case, which in this instance is a 55mm tank carved out of titanium. This translates to about 150 pounds of force per square inch. It is easy to see why when considering that at a depth of 1000 meters, a watch is subject to an atmospheric pressure that is 100 times superior to that at sea level. Not bad considering it’s two vessels in one.A water resistance rating of 1000 meters – 1001 meters to be true to the U-Boat spec sheet – is not easily acquired. U-Boat Worx says the Nautilus can be delivered within 30 months and starts at roughly $24.5 million (€25 million). The tender is stowed under the aft deck and stays outside while the Nautilus is diving. The Nautilus is also fitted with a new, pressure-resistant electric tender called the Aronnax that can transport up to five seafarers to underwater dive spots. ![]() This area is neatly retracted before the sub slips below sea level, of course. When above the water, seafarers can make use of the massive sundeck, which is equipped with a freshwater pool, a bar and an alfresco dining table. You’ll have some pretty incredible underwater views, too, thanks to the large circular windows throughout. As standard, the layout comprises a combined lounge and dining area of 538 square feet, along with a fully equipped galley, one owner’s suite, four staterooms and sleeping quarters for up to six crew. The luxurious interior offers all the comforts of a superyacht and can be fully customized by the client. The sub comes with a pressure-resistant electric tender.
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