Revue Thommen Cricket 1997 limited edition mechanical clock with alarm clock - Launched in 1997, the 50th anniversary of Cricket. - Also called "presidential watch" because it was worn by many U.S. presidents - The Cricket's case has a resonance chamber that maximizes the alarm clock even if the caseback is above the wearer's wrist. This is what makes the Cricket special. It is the loudest mechanical watch with an alarm clock - It shows no signs of wear as the watch has been stored in casket - Sapphire glass - Black dial with luminova Arabic numerals signed "t Swiss Made t" - Water resistant up to 50 meters - Time and alarm functions are perfect - Original bracelet with all links - Generic box and 12-month warranty - Manual-winding movement cal: rt 80. 18,000 a/h 17 jewels - 38 mm x 12 mm - To set the alarm clock, wind the crown. Push down the small crown and turn the large crown clockwise to set the alarm hand to the desired time. Push down the grqnde crown to activate the alarm. To stop the alarm, push down the top crown. the watch has been fully serviced and comes with our warranty from our boutique in Turin.