![Electronic Master Clock & Slave" Patek Philippe, Genève, Model L4031. Made circa 1975. Very fine, Electronic Center Seconds Master Clock and Slave Patek Philippe "Naviquartz" electric center seconds clock. Master: | Important Electronic Master Clock & Slave" Patek Philippe, Genève, Model L4031. Made circa 1975. Very fine, Electronic Center Seconds Master Clock and Slave Patek Philippe "Naviquartz" electric center seconds clock. Master: | Important](https://antiquorum-swiss-assets.s3.us-west-2.amazonaws.com/images/163/lots/546/546.jpg)
Electronic Master Clock & Slave" Patek Philippe, Genève, Model L4031. Made circa 1975. Very fine, Electronic Center Seconds Master Clock and Slave Patek Philippe "Naviquartz" electric center seconds clock. Master: | Important
![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
![Patek Philippe Electronic Master Clock and Digital Display For Sale at 1stDibs | patek philippe master clock, patek philippe electronic clock, patek philippe digital Patek Philippe Electronic Master Clock and Digital Display For Sale at 1stDibs | patek philippe master clock, patek philippe electronic clock, patek philippe digital](https://a.1stdibscdn.com/archivesE/upload/1121189/f_44402531460201611707/4440253_master.jpg)