This stunning silver dial Tudor Big Block Chronograph 79180 dates to 1991 with a B371*** serial number. The watch was serviced by Rolex in March 2020 and not worn since. The watch is therefore in perfect condition and retains its service stickers on the case. The watch also benefits from retaining its original tritium dial and hands and is complete with a Rolex warranty until April 2022. This honestly has to be one of the very best Tudor Big Block 79180's available. Complete with inner and outer Tudor boxes, warranty card and Tudor service pouch. Watch Details: 40mm stainless steel case with fixed UNITS PER HOUR bezel. Silver T SWISS T (tritium) dial with black sub dials, applied hour markers and date located at the 3 o'clock position. 7750 automatic movement with chronograph function. Sapphire crystal. 200m depth rating. We offer free UK delivery and a 24 month warranty on all our Rolex watches for sale. We will also accept your current watch in part exchange or on consignment.