Mechanical Movement / Manual Winding 23 Jewels * Date Calender * Stop Watch With Summing Up Action * Shock Protection * Power Reserve * Chronograph Running 37hr * 20 mm specially designed strap * Shock resistent * Case size 43mm * Water Resistant 30 Meters * Functions: Hours, Minutes, Seconds, Date calendar * Stop watch with summing up actionThis Line Is The Sequel Of Very Successful "Wright Brothers" Models Which Were Dedicated To The Creators Of The First Airplane In The World.