Helmet Sinn era stainless steel manual wind chronograph with desirable date feature from the mid 1980's and uses a Valioux movement. Water resistant case, measures 41mm and has original stainless steel buckle and adjustable band. All functions of the watch work as designed and it is in good condition, normal wear, please see photos. Contact AAG for more detailed information if needed. AAG is not responsible for any errors or omissions to any lots. All sales are final and sold as is. In house shipping continental U.S. $20 plus 2% insurance.