Patek Philippe Beta 21 3603

Patek Philippe Beta 21 White Gold REF. 3603 Original Paper

movement : Quartz dial : Blue strap : White Gold case_material : White Gold glass : Sapphire conditions : Second Wrist kit : Watch With Box and Warranty Ref. 3603 was launched in 1973 and produced for about a decade thereafter. Along with two other watches of the era, also equipped with Beta-21 movements, the Refs. 3587 and 3597, it was among the greatest Patek Philippe wristwatches produced in the 20th century. The Beta-21 movement was released at the Basel fair in April 1970. It was the product of nearly 10 years of research and development by the CEH, or Centre Électronique Horloger, a consortium of many Swiss watch companies including Patek Philippe, Rolex, Piaget, IWC, Omega, and Longines, all interested in developing an electric watch movement. Watch in excellent condition, complete with its original Patek Philippe guarantee