Patek Philippe Calatrava Framed Ads Its Calibre P478 movement was

Its Calibre P478 movement was encased with a soft iron shell to protect it from strong magnetic fields found near the Pole

and a matte black Tritium dial with a matching ‘broad arrow’ handset

featuring a 42mm stainless steel cushion case

the five-digit Reference 18XXX from the mid 1970s

as stamped on the case back

Patek Philippe Calatrava Framed Ads Its Calibre P478 movement wasFirst presented in 1932 as the Reference 96, the Patek Philippe Calatrava is the benchmark for classic mens dress watches. This groundbreaking collection which didnt take on the name Calatrava until the 1980s set the stage for nearly every piece Patek has released since, and became the blueprint for other brands approaches to elegant mens timepieces. Heavily influenced by the Bauhaus school, the Calatrava was then considered extremely modern with its