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
![1 PC High Quality for rolex watch movement holder stainless Steel Stand Watch Repair Tool for Rolex 4030 4031 zenith 400 410 420 - AliExpress 1 PC High Quality for rolex watch movement holder stainless Steel Stand Watch Repair Tool for Rolex 4030 4031 zenith 400 410 420 - AliExpress](https://ae01.alicdn.com/kf/S198e8d10e989463fa8866fb9acea88d3P.jpg_640x640Q90.jpg_.webp)
1 PC High Quality for rolex watch movement holder stainless Steel Stand Watch Repair Tool for Rolex 4030 4031 zenith 400 410 420 - AliExpress
![ROLEX | Daytona, Ref. 16523, A Stainless Steel and Yellow Gold Chronograph Wristwatch with Bracelet, Circa 1995 | Watches Online: The Driver's Collection | Watches | Sotheby's ROLEX | Daytona, Ref. 16523, A Stainless Steel and Yellow Gold Chronograph Wristwatch with Bracelet, Circa 1995 | Watches Online: The Driver's Collection | Watches | Sotheby's](https://sothebys-md.brightspotcdn.com/dims4/default/bb78e22/2147483647/strip/true/crop/1845x2000+0+0/resize/385x417!/quality/90/?url=http%3A%2F%2Fsothebys-brightspot.s3.amazonaws.com%2Fmedia-desk%2Ffe%2Fa9%2Fafdcca414925b96d1a43d3a3587f%2F226n10225-bbp9n.jpg)
ROLEX | Daytona, Ref. 16523, A Stainless Steel and Yellow Gold Chronograph Wristwatch with Bracelet, Circa 1995 | Watches Online: The Driver's Collection | Watches | Sotheby's
![Rolex Zenith Daytona, Ref 16520, MK3 Black Dial "Inverted 6", Stainless Steel, Cal 4030, 1993 - Estates Consignments Rolex Zenith Daytona, Ref 16520, MK3 Black Dial "Inverted 6", Stainless Steel, Cal 4030, 1993 Rolex Zenith Daytona, Ref 16520, MK3 Black Dial "Inverted 6", Stainless Steel, Cal 4030, 1993 - Estates Consignments Rolex Zenith Daytona, Ref 16520, MK3 Black Dial "Inverted 6", Stainless Steel, Cal 4030, 1993](https://www.estatesconsignments.com/wp-content/uploads/2019/11/Web-Product-0925.jpg)
Rolex Zenith Daytona, Ref 16520, MK3 Black Dial "Inverted 6", Stainless Steel, Cal 4030, 1993 - Estates Consignments Rolex Zenith Daytona, Ref 16520, MK3 Black Dial "Inverted 6", Stainless Steel, Cal 4030, 1993
![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/166224/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 OSCILLATING WEIGHT ROTOR 4030 ZENITH EL PRIMERO COSMOGRAPH DAYTONA 16520,16519,16509,16528,16523 WATCHES ROLEX OSCILLATING WEIGHT ROTOR 4030 ZENITH EL PRIMERO COSMOGRAPH DAYTONA 16520,16519,16509,16528,16523 WATCHES](https://www.chrono-shop.net/156395/copy-of-rolex-oscillating-weight-rotor-4030-zenith-el-primero-cosmograph-daytona-16520-16528-16523-watches-new-old-stock.jpg)
ROLEX OSCILLATING WEIGHT ROTOR 4030 ZENITH EL PRIMERO COSMOGRAPH DAYTONA 16520,16519,16509,16528,16523 WATCHES
![Rolex Daytona Calibre 4030 El Primero Zenith Serviced Models... for $21,574 for sale from a Trusted Seller on Chrono24 Rolex Daytona Calibre 4030 El Primero Zenith Serviced Models... for $21,574 for sale from a Trusted Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/30240236-r8z7elztek0qnw7anaexnlsp-ExtraLarge.jpg)