The Technos Borazon Lady Automatic is a vintage Swiss-made automatic watch for women. It is known for its durability due to the use of Boron Carbide, an extremely hard material, in some parts of the watch. In today's history, Sapphire crystals are generally produced with chemical components. However, the Sapphire glass on the front of this rare product is produced by processing genuine sapphire crystal. Genuine sapphire crystal is a completely natural mineral and has not been produced for many years due to the increasing economic value of sapphire crystal. This Sapphire crystal has very high durability. It does not scratch easily, especially if you rub it against the wall to scratch it. This product will maintain its shine for a lifetime without scratching, thanks to its Boron Carbide body and genuine sapphire crystal. If you are looking for a Vintage Swiss watch that is comfortable to use and will maintain its beautiful appearance for many years, this may be the product you are looking for. Professionally restored and FULLY SERVICED (the machine has been completely disassembled, every part cleaned, lubricated and adjusted for accuracy) so your watch will run smoothly with no nasty surprises. (No service required for 5 years.) Product Condition All functions are working.