Hands-On: With Three Of The Absolute Rarest Vintage Rolex Chronographs, Ever: The 4113 Split-Seconds, The Hermes Paul Newman, And The Zerographe - Hodinkee
Vintage of the Week: Rolex Chronograph 6234 | Bob's Watches Rolex Blog
Brandizzi | Rolex Chronograph Ref. 2508
A Beginner's Guide to Vintage Rolex Chronographs (1935-52) – Goldammer Vintage Watches
How the Rolex Pre-Daytona Became One of the Most Desirable Chronographs at Auction - Oracle Time