Breitling Callisto 80520 in Exceptional Condition Breitling Callisto 80520 with Original Steel Bracelet, Stainless Steel Bezel with Gold Quartermarkers. Blue Dial unisex watch is in Excellent condition. This is a very rare example. In overall excellent pre-owned condition with very little sign of wear. Powered by Breitling’s Calibre 11 self-winding mechanical 42hr power reserve movement. This watch is supplied as Watch only with full Guarantee of Authenticity and Warrantee from The Classic Watch Buyers Club Ltd. We are now in a position to offer 0% APR Finance on most of our watches and we are always willing to consider P/X for good quality watches. We are always looking to trade.