![Rolex Calibre 4030 El Primero Zenith Caliber movement Serviced, Mint condition Daytona 16520,16523,16519,16528 Rolex Calibre 4030 El Primero Zenith Caliber movement Serviced, Mint condition Daytona 16520,16523,16519,16528](https://www.chrono-shop.net/166220/rolex-calibre-4030-el-primero-zenith-caliber-movement-serviced-mint-condition-daytona-16520165231651916528.jpg)
Rolex Calibre 4030 El Primero Zenith Caliber movement Serviced, Mint condition Daytona 16520,16523,16519,16528
![Rolex Calibre 4030 El Primero Zenith Caliber movement Serviced, Mint condition Daytona 16520,16523,16519,16528 Rolex Calibre 4030 El Primero Zenith Caliber movement Serviced, Mint condition Daytona 16520,16523,16519,16528](https://www.chrono-shop.net/166234/rolex-calibre-4030-el-primero-zenith-caliber-movement-serviced-mint-condition-daytona-16520165231651916528.jpg)
Rolex Calibre 4030 El Primero Zenith Caliber movement Serviced, Mint condition Daytona 16520,16523,16519,16528
![Rolex Calibre 4030 El Primero Zenith Caliber movement Serviced, Mint condition Daytona 16520,16523,16519,16528 Rolex Calibre 4030 El Primero Zenith Caliber movement Serviced, Mint condition Daytona 16520,16523,16519,16528](https://www.chrono-shop.net/166231/rolex-calibre-4030-el-primero-zenith-caliber-movement-serviced-mint-condition-daytona-16520165231651916528.jpg)
Rolex Calibre 4030 El Primero Zenith Caliber movement Serviced, Mint condition Daytona 16520,16523,16519,16528
![Rolex Calibre 4030 El Primero Zenith Caliber movement Serviced, Mint condition Daytona 16520,16523,16519,16528 Rolex Calibre 4030 El Primero Zenith Caliber movement Serviced, Mint condition Daytona 16520,16523,16519,16528](https://www.chrono-shop.net/166233/rolex-calibre-4030-el-primero-zenith-caliber-movement-serviced-mint-condition-daytona-16520165231651916528.jpg)
Rolex Calibre 4030 El Primero Zenith Caliber movement Serviced, Mint condition Daytona 16520,16523,16519,16528
This is the base movement of Rolex calibre 4030. I will do some initial timekeeping test on a timing machine before assembling the chronograph... | By Michael Woods - Watch Repair & Restoration | Facebook
![Rolex Calibre 4030 El Primero Zenith Caliber movement Serviced, Mint condition Daytona 16520,16523,16519,16528 Rolex Calibre 4030 El Primero Zenith Caliber movement Serviced, Mint condition Daytona 16520,16523,16519,16528](https://www.chrono-shop.net/166230/rolex-calibre-4030-el-primero-zenith-caliber-movement-serviced-mint-condition-daytona-16520165231651916528.jpg)