This new piece has 15 sections so that it matches the dial of the Ring Master from 1957. Here’s how the TAG Heuer Carrera Caliber 5 Ring Master Muhammad Ali works: heavyweight boxing bouts used to be 15 rounds (now they’re 12), three minutes each, plus a one-minute break between every round. Its case is indeed straight out of the Carrera line sheet with the long, straight lugs and perfectly round bezel, with the expected addition of its extra crown at 10 o’clock and the indices and hands also are somewhat in line with what we have gotten used to seeing from the brand. It’s a slight departure from the balance of TAG’s repertoire, though not too far of one. Not-so-subtle details include the very stopwatch-like minute indices at each 5 minute mark up front – those are some generously sized, super contrasty numerals – while a very handsome portrait of Ali engraved onto the case-back completes the theme. Inside the case is the TAG Heuer Caliber 5 that should actually be based on a three-hand Sellita SW200. The stainless steel 43mm-wide case features a black opaline dial, and adjustable inner minute track displaying three-minute intervals, this new release certainly looks more rugged than sharp-edged especially when compared to other Carrera models, like the Heuer-02T (reviewed here) or this rather controversial (and we think super cool) Nendo Limited Edition. The TAG Heuer Carrera Caliber 5 Ring Master Muhammad Ali itself isn’t anything particularly glamorous when you get right down to it, but if there were ever a limited edition that need not be that, then you’re looking at it right here.

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