how many will still be working at the end of 100 hours of operation? tip # 6: give the what and the why. if you have questions or would like to make a purchase, please contact us. celebrating the wonder of the four seasons, the romance 4 seasons collection includes an innovative in house designed strap change system allowing 5 distinct looks for the watch available at a moment's notice without needing any tools. humans make mistakes and there is nothing we can do on that end. 