Tank Normale watch, skeleton, Manufacture mechanical movement with manual winding, caliber 9628 MC. 18K yellow gold (750/1000) case and beaded crown set with a sapphire, polished blue steel sword-shaped hands, sapphire case back and crystal. Brown strap, second strap in green,18K yellow gold (750/1000) ardillon buckle. Hours, minutes, with 24-hour day/night indicator. Movement consisting of 150 parts including 21 rubies. Movement dimensions: 22.38 mm x 22.38 mm, movement thickness: 3.9 mm, balance: 21,600 vibrations/hour, power reserve approx. 36 hours. Case dimensions: 35.2 mm x 27.8 mm, thickness: 8.15 mm. Limited edition of 50 individually numbered timepieces. Not water-resistant.