To download the instruction manual, please enter the model number of your watch. The watch model number is an 11-digit number divided into three parts comprising of a one letter code followed by 2 digits, 5 digits and 3 digits (i.e. WXX-XXXXX-XXX) OR a 9-digit number divided into three parts comprising of 2 digits, 4 digits and 3 digits (i.e. XX-XXXX-XXX). The watch model number is stamped on the case back of your watch.