Kundalini' YES Watch with black titanium finish. Additional leather and rubber straps are included as well as tools for changing the straps and sizing the link bracelet. The case and bracelet are solid titanium and the crystal is sapphire. Includes daily sunrise/sunset, moonphase, moonrise/moonset data as well as time, perpetual calendar date that automatically adjusts for daylight savings, alarm with snooze, stopwatch, 9999 day countdown timer, 2nd time zone and LED backlighting. For a more complete explanation of all the functions of YES Watches, please visit our 'How Yes watches work' page.