The TAG Heuer Calibre 5 Ring Master Tribute to Muhammad Ali was introduced in late 2016 as a tribute to Muhammad Ali. Based on the 2014 Drive Timer, it features a dial / bezel design inspired by the ‘Ring Timer’ stopwatch. The case back is engraved with a portrait of Muhammad Ali. The gold version shown is a piece unique.The TAG Heuer Calibre 5 Drive Timer distinquishes itself by its inner rotating bezel which is rotated by the crown at 10 o’clock. Using this rotating flange, one can measure events up to 60 minutes in an easy and intuitive way.
