Patek Philippe Aquanaut Travel Time Ref. 5164A-001 The Patek Philippe Aquanaut Travel Time ref. 5164A-001, introduced in 2011, shows local and home time with day/night indication and date, in a 40.8 mm steel case on the Aquanaut's rubber strap. It was discontinued in 2024. - Self-winding Calibre 324 S C FUS - Travel Time: local and home time, day/night indication - Date - 40.8 mm steel case - Black embossed dial; rubber strap Full set. Maker: Patek Philippe. Reference: 5164A-001. Available through ELITA's private desk — verification review, discreet handling and storage. Price on request.