Rolex. A stainless steel automatic calendar bracelet watch with dual time zone from the original ownerModel: Explorer IIReference: 1655Date: Circa 1970Movement: 26-jewel Cal.1570 automatic, adjted to 5 positions & temperature, No.D306785Dial: Black, lumino baton hour markers, white outer minute divisions, magnified date aperture at 3, white pointed baton hands with lumino inserts, centre seconds, orange dual time zone handCase: Brhed and polished tonneau form, screw down back and crown, black 24-hour markers to bezel, No.3284949Strap/Bracelet: Fitted steel 78360 Oyster link, 501 end linksBuckle/Clasp: Signed folding claspSigned: Case, dial & movementSize: 39mmApaniments:International Service Guarantee card and service paperwork dated January 2011, service pouchFor further information on this lot please visit theProvenance: The Rolex Explorer II 1655 first appeared on the market in 1971 and continued the tradition of the earlier Explorer models which were first introduced in 1953. The watch was originally developed to apany speleologists on their cave exploration expeditions and as such was designed with extreme durability in mind. Due to its limitedmercial success and short production period, the reference 1655 is today one of the more sought after Vintage Rolex models.The model features a fixed bezel with 24 hour display and a special 24 hour hand that can be set to distinguish day from night hours. It is known as the 'Freccione', Italian for 'big arrow', amongst collectors.