Sinn Watch 243 Ti S Ladies. 243.0 Leather The reigning queen of Sinn watches, this Sinn 243 Ti S Ladies watch glistens with every movement of the wrist and adds an elegant and glamorous finish to an outfit. Exquisitely designed to be worn for both day and night, the femininely sized 22.5mm by 29.5mm rectangular shaped titanium case houses the ETA 2671 self winding movement which boasts 25 bearing jewels and 28,800 semi-oscillations per hour. Housed beneath the scratch resistant sapphire crystal glass with antireflective treatment is a stunning black electroplated dial set with hand applied appliques and hour and minute hands coated in luminescent colour for easy legibility in the dark. For an impressive finish, this Sinn 243 Ti S Ladies watch is equipped with hour, minutes and seconds functions and a date window at 6 o clock. To complete this Sinn Ladies watch, a luxurious black leather strap and titanium buckle is added.