Sinn Watch 243 Ti Ladies Synthetic. The 243 range of watches for ladies features a classical rectangular case and the impeccable quality that Sinn has to offer. The beautiful mother of pearl dial transforms this instrument into a piece of jewellery. The case is made of lightweight titanium. A date window is positioned conveniently at the 6 o clock mark. Hands and markers are luminous for improved night time visibility. Additional features include resistance to high and low pressures and scratch resistant sapphire crystal glass with anti reflective coating.