Reference 4048. 36mm diameter without crown. Perfect ROLEX 4048 "Barilotto" from the 1940s in optical and technical TOP CONDITION. watch was auctioned in 2010 for well over €40,000 and has been in a fine collection for the last 13 years. The reference 4048 was only built 143 times and is one of the first ROLEX chronographs ever. The watch is fitted with an anti-magnetic caliber 13 with a Breguet hairspring. PRICE ON REQUEST.