Victorinox Airboss Mach 9 Mechanical Chronograph (Reference 241722). The case is made of coated stainless steel (316L) with a diameter of 45 mm and a height of 16 mm. The dial is black with SuperLuminova coated luminous indices. The watch strap is made of brushed stainless steel (316L) with a width of 22 mm and a double folding clasp. The watch case is equipped with a rotating bezel that allows bidirectional rotation. The movement is an automatic movement with the caliber eta Valjoux 7750, which has 25 jewels and offers a power reserve of 46 hours. The watch is water-resistant to 100 meters (10 bar). The glass is made of scratch-resistant sapphire crystal with an anti-reflective coating. Functions include a chronograph with a 24-hour cycle, date, and small seconds hand. The watch weighs 199 grams. No returns.