The 456 series is designed for the needs of ladies – functional, yet smaller and more elegant than other Sinn timepieces. This beautiful female watch makes use of ETA 2671 automatic movement. It performs 28 800 vibrations per hour and has 25 bearing jewels. The watch is both pressure and water-resistant. Additional features include a date window at the 6 o’clock mark, scratch-resistant sapphire crystal glass with anti-reflective coating and transparent case back.