Description: Calibre De Cartier Pre-owned Calibre de Cartier ref W7100036 is an elegant take on the brand’s collection of men’s watches. The case is fairly substantial 42mm and features a large rounded crown guard and a crown embellished with a synthetic blue spinel. The case itself is waterproof up to 100 meters or 330 feet and utilizes a scratch-resistant sapphire crystal over the dial as well as a resilient stainless steel material. The case houses a Cartier calibre 1904-PS