![Welcome to RolexMagazine.com...Home of Jake's Rolex World Magazine..Optimized for iPad and iPhone: Rolex Superlative Chronometer Certification Welcome to RolexMagazine.com...Home of Jake's Rolex World Magazine..Optimized for iPad and iPhone: Rolex Superlative Chronometer Certification](https://1.bp.blogspot.com/-7dOknterTA8/WUVthCIN8cI/AAAAAAAAo5U/r15i2HQlfv4htxL2imYtIHE5XvDB_IVuwCLcBGAs/s3200/Rolex-Superlative-Chronometer-Certification.jpg)
Welcome to RolexMagazine.com...Home of Jake's Rolex World Magazine..Optimized for iPad and iPhone: Rolex Superlative Chronometer Certification
![Cool Rolex of the Day #559: 116520 Daytona with chronometer test dial, attached to movements during COSC testing and never intended to be put in a watch, steel, 40mm. Circa 2000 : r/rolex Cool Rolex of the Day #559: 116520 Daytona with chronometer test dial, attached to movements during COSC testing and never intended to be put in a watch, steel, 40mm. Circa 2000 : r/rolex](https://external-preview.redd.it/xpi2y5A3phmma4LieSX7NedLw0vEOtEmgnXBEJ-U_gw.jpg?auto=webp&s=dbbd9151e5d726769f73a42e4d63d1584acb0116)
Cool Rolex of the Day #559: 116520 Daytona with chronometer test dial, attached to movements during COSC testing and never intended to be put in a watch, steel, 40mm. Circa 2000 : r/rolex
![Rolex Gmt-master Ii 116713ln Cosc Ss|18k 40mm/ Box & Papers for $18,860 for sale from a Trusted Seller on Chrono24 Rolex Gmt-master Ii 116713ln Cosc Ss|18k 40mm/ Box & Papers for $18,860 for sale from a Trusted Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/27772622-b97859lh9dwy5xnxvhsfzikb-ExtraLarge.jpg)
Rolex Gmt-master Ii 116713ln Cosc Ss|18k 40mm/ Box & Papers for $18,860 for sale from a Trusted Seller on Chrono24
![Rolex Box original ref.68.00.71+ Wallet+Cosc+Tag for $223 for sale from a Trusted Seller on Chrono24 Rolex Box original ref.68.00.71+ Wallet+Cosc+Tag for $223 for sale from a Trusted Seller on Chrono24](https://cdn2.chrono24.com/images/uhren/28004345-abxni19o8dgfiyi1dx6qm3pw-ExtraLarge.jpg)
Rolex Box original ref.68.00.71+ Wallet+Cosc+Tag for $223 for sale from a Trusted Seller on Chrono24
![ROLEX, REF. 116520, DAYTONA WHITE PROTOTYPE COSC DIAL | Important Modern & Vintage Timepieces | Geneve, June 28, 2020 ROLEX, REF. 116520, DAYTONA WHITE PROTOTYPE COSC DIAL | Important Modern & Vintage Timepieces | Geneve, June 28, 2020](https://antiquorum-swiss-assets.s3.us-west-2.amazonaws.com/images/329/lots/348/348.jpg)
ROLEX, REF. 116520, DAYTONA WHITE PROTOTYPE COSC DIAL | Important Modern & Vintage Timepieces | Geneve, June 28, 2020
![ROLEX DAYTONA WHITE PROTOTYPE COSC DIAL Very fine and rare stainless steel self-winding chronograph wristwatch with white dial and 3 registers. Très rare et superbe chronographe bracelet en acier. Bo îtier rond. ROLEX DAYTONA WHITE PROTOTYPE COSC DIAL Very fine and rare stainless steel self-winding chronograph wristwatch with white dial and 3 registers. Très rare et superbe chronographe bracelet en acier. Bo îtier rond.](https://antiquorum-swiss-assets.s3.us-west-2.amazonaws.com/images/314/lots/3672/3672.jpg)