Rolex. Very Rare and Luxurious, Day-date, Automatic Wristwatch in Pink-gold, With Pink Dial, Reference 6611b Model: Day-Date Reference: 6611B Case Material: Pink Gold Bracelet Material: Leather Strap Year: 1958 Movement: Automatic Caliber: 1055 Case N°: 425511 Dimensions: 36 mm Signed: Dial, Case and Movement Reference 6611B must be considered one of the most important Day-Date models ever produced and marks the introduction of the new balance wheel with Microstella adjustment screw. The movement modification allows the Day-Date ref. 6611B to boast the prestigious Superlative Chronometer Officially Certified certification which certifies its accuracy. The present watch was manufactured in the early years of the introduction of the Day-Date, specifically in 1958 and its pink-gold case is still fresh as it was in that period thanks to the carefulness of the last owner. The tonneau case with screw back and reeded bezel also has a precious pink pie-pan dial in great conditions with a prefect patina that match the case and completed by baton hours indexes. Without luminous dots at the hour markers like many other variations of the Rolex Day-Date such as the leaf hands while the calendar is in English. Estimate € 12000 - 24000