ゼニス (ZENITH) vintage (中古時計)

1970s Rare old Zenith Port Royal automatic,massive,cal.346,day/date,unusual shape case.
This watch is something specialy in many ways-primarily, this is one of the old „Port Royal“ ,rare model with cal.346 (or 34.6 as some mark it), and in that period it is the only mechanism with 36000 A / h (except mechanisms "Zenith El Primero" and "Movado 405/408") ... this caliber many compare with the mechanism " Eta 2837 "(the reason is because the spare parts used in the service from the" ETA 2837 "mecha