The Blancpain Fifty Fathoms Bathyscaphe Flyback Chronograph was introduced in 2015, introducing the flyback chronograph to the Bathyscaphe collection courtesy of the then all-new high-beat caliber F385.Reference 5200-1110-70B has a stainless steel case paired with a black ceramic bezel insert and a grey dial. It is fitted with a stainless steel bracelet.