百達翡麗，不銹鋼自動上弦兩地時間腕錶，配中心秒針、日曆及雙日夜顯示，AQUANAUT，型號5164A-001，約2017年製，附原廠證書、盒子及外包裝

To the best of our knowledge the present lot is fresh to the market. The Aquanaut was launched in 1997 as a luxury sports watch for a style-savvy audience who appreciates the combination of sportiness and elegance.

Reference 5164, the Aquanaut Travel Time, was introduced in 2011 and is Patek Philippe's first "complicated" Aquanaut model.