Vacheron & Constantin is the oldest watch company in the world, and is recognized as one of the "Big Three" of haute Swiss manufacture (along with Audemars-Piguet and Patek Philippe). Vintage Vacheron are highly prized by collectors, and are among the best investments in vintage timepieces.  Here is a 1950's vintage reference 6030 Vacheron Constantin with 18 jewel calibre 1001 movement and original dial.  Here's the details:  VACHERON CONSTANTIN (18k Reference 6030) - Excellent 32mm signed 18k gold snapback case (reference 6030, #3435xx), signed 18 jewel calibre 1001 movement (#5184xx), excellent original signed silver satin dial with raised gold baton markers, raised Vacheron logo at 12:00, gold stick hands and subsidiary seconds at 6:00, 18mm deBeer Paris genuine crocodile strap with generic buckle.  This exact watch sold at auction for $3400 in September, 2016.  BEAUTIFUL 1950's VINTAGE 18k VACHERON CONSTANTIN REFERENCE 6030 WITH 18 JEWEL CALIBRE 1001 MOVEMENT AND ORIGINAL SUB-SECONDS DIAL!  Buyer pays shipping ($35 US Delivery or $60 International via Global Express).