![File:Patek Philippe & Hewlett Packard Atomic Clock (circa 1960s) - M.S. Rau Antiques (taken on 2015-03-25 13.19.39 by @DrGarcia).jpg - Wikimedia Commons File:Patek Philippe & Hewlett Packard Atomic Clock (circa 1960s) - M.S. Rau Antiques (taken on 2015-03-25 13.19.39 by @DrGarcia).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/thumb/8/8c/Patek_Philippe_%26_Hewlett_Packard_Atomic_Clock_%28circa_1960s%29_-_M.S._Rau_Antiques_%28taken_on_2015-03-25_13.19.39_by_%40DrGarcia%29.jpg/1200px-Patek_Philippe_%26_Hewlett_Packard_Atomic_Clock_%28circa_1960s%29_-_M.S._Rau_Antiques_%28taken_on_2015-03-25_13.19.39_by_%40DrGarcia%29.jpg)
File:Patek Philippe & Hewlett Packard Atomic Clock (circa 1960s) - M.S. Rau Antiques (taken on 2015-03-25 13.19.39 by @DrGarcia).jpg - Wikimedia Commons
![An integrated electronic master clock system with seven piece rack tower, Circa 1974 | Important Watches | 2021 | Sotheby's An integrated electronic master clock system with seven piece rack tower, Circa 1974 | Important Watches | 2021 | Sotheby's](https://sothebys-md.brightspotcdn.com/dims4/default/b1e72df/2147483647/strip/true/crop/2000x2670+0+0/resize/2048x2734!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2Fc2%2F26%2Fd73ddc0b4e45945ae6807dca1b58%2Fbtf9l-3.jpg)
An integrated electronic master clock system with seven piece rack tower, Circa 1974 | Important Watches | 2021 | Sotheby's
![File:Patek Philippe & Hewlett Packard Atomic Clock (circa 1960s) - Geneva time. #NOLA - M.S. Rau Antiques (taken on 2015-03-26 21.11.11 by @DrGarcia).jpg - Wikimedia Commons File:Patek Philippe & Hewlett Packard Atomic Clock (circa 1960s) - Geneva time. #NOLA - M.S. Rau Antiques (taken on 2015-03-26 21.11.11 by @DrGarcia).jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/0/04/Patek_Philippe_%26_Hewlett_Packard_Atomic_Clock_%28circa_1960s%29_-_Geneva_time._%EF%BC%83NOLA_-_M.S._Rau_Antiques_%28taken_on_2015-03-26_21.11.11_by_%40DrGarcia%29.jpg)
File:Patek Philippe & Hewlett Packard Atomic Clock (circa 1960s) - Geneva time. #NOLA - M.S. Rau Antiques (taken on 2015-03-26 21.11.11 by @DrGarcia).jpg - Wikimedia Commons
![An Extremely Rare Patek Philippe Perpetual Calendar Chronograph “Pink-on-Pink” Reference 1518 and A Possibly Unique Patek Philippe Perpetual Calendar Chronograph Reference 2499 An Extremely Rare Patek Philippe Perpetual Calendar Chronograph “Pink-on-Pink” Reference 1518 and A Possibly Unique Patek Philippe Perpetual Calendar Chronograph Reference 2499](https://uploads-ssl.webflow.com/5880c2457f92b892427ba1ee/5daf72535bc79dc352e6e9a7_continut12-2.jpg)
An Extremely Rare Patek Philippe Perpetual Calendar Chronograph “Pink-on-Pink” Reference 1518 and A Possibly Unique Patek Philippe Perpetual Calendar Chronograph Reference 2499
![Bonhams : Patek Philippe. A rare integrated Electronic Master Clock System with independent minute and seconds comparators in a five-piece towerCirca 1975 Bonhams : Patek Philippe. A rare integrated Electronic Master Clock System with independent minute and seconds comparators in a five-piece towerCirca 1975](https://images1.bonhams.com/image?src=Images/live/2009-05/07/94442679-1-1.jpg&width=640&height=480&autosizefit=1)
Bonhams : Patek Philippe. A rare integrated Electronic Master Clock System with independent minute and seconds comparators in a five-piece towerCirca 1975
![Dec. 12, 1972 - Patek Philippe Breakthrough In Electronic Timekeeping: Berne, the swiss federal capital, became also the nation's watch capital for a day when the ''most accurate clock in Berne'' was Dec. 12, 1972 - Patek Philippe Breakthrough In Electronic Timekeeping: Berne, the swiss federal capital, became also the nation's watch capital for a day when the ''most accurate clock in Berne'' was](https://c8.alamy.com/comp/E10J9M/dec-12-1972-patek-philippe-breakthrough-in-electronic-timekeeping-E10J9M.jpg)
Dec. 12, 1972 - Patek Philippe Breakthrough In Electronic Timekeeping: Berne, the swiss federal capital, became also the nation's watch capital for a day when the ''most accurate clock in Berne'' was
![[Patek Philippe] Master clock from a nuclear power station, 1977. Patek was once a leader in master clock systems, supplying the United Nations and even Rolex. : r/Watches [Patek Philippe] Master clock from a nuclear power station, 1977. Patek was once a leader in master clock systems, supplying the United Nations and even Rolex. : r/Watches](https://preview.redd.it/2g9uis0zke581.jpg?auto=webp&s=783125e33b50e8ab7d30efa0c68666e18c796dba)