PATEK PHILIPPE Co, Genève, case No. 2732438, Ref. 3603, Beta 21. fine and rare 18K yellow gold quartz wristwatch with date [..]
Dial, case and movement signed, in very good condition
NOTE: Reference 3603 was in production from 1974 to 1982. Reference 3603 houses the Beta 21 movement that was revolutionary at the time. It was used by many other brands to power their quartz watches. This watch was a huge step in a different direction for Patek Philippe and remained the largest watch they made until the 21st century.