HEUER NSA and NSA MACK Deployment Clasp NOS 1970s Mareked on clasp: "STEEL INOX/SWISS NSA MADE;MODEL DEPOSE". Rare Factory New/but old stock. THIS IS A FINE COLLECTIBLE. DON'T INVEST IN THE STOCK MARKET. BUY SOMETHING PROVEN IN TIME. BUCKLE: Back marked: “ACIER INCX ROLEXSA Swiss”, 16mm Logo Buckle. NOTE: We have been selling vintage watches on EBay since 1998 as watchco1974 with over 9500 vintage watch sales and 100% positive feedbacks. You can buy from us with confidence. OTHER NICE FEATURES: Free U.S. Shipping. $18.00 overseas.