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