In terms of "Grail Watches" it doesn't get much better than a Patek Tourbillon... No longer in production, the last retail price on this 5101G was £257,000, and this blue dial is the rarest of the bunch. Housing watch-makings most coveted complication, from the world's most prestigious brand, this important grand comp is complete with its box, and Patek certificate (with those big colour photographs that accompany only the most special Pateks), this rare investment is in like new condition.