TAG Heuer “Jack Heuer” Silverstone 150th Anniversary Edition

Bonhams will auction off this unique red Silverstone Calibre 11 Chronograph on December 15 in support of Green International. The Silverstone’s vintage design features a square polished stainless steel case with rounded edges with a red dial and a top-grade perforated alligator strap. The back of the case will also promote Jack Heuer’s signature and a collector’s dream engraving of “Silverstone-Unique Piece 1/1 – Cablibre 11 – 150th Anniversary 1860-2010 – Swiss Made.”