Audemars Piguet Royal Oak Tourbillon Ref. 26510ST Aquanaut to increase the lightness of

to increase the lightness of the watch while still providing the rigidity necessary to support the tourbillon movement

the first prestige sports watch (made of steel at the time) launched by Audemars Piguet in 1972

Taking inspiration from space

originally purchased in 2018

2 mm Water resistance 10 ATM Dial Green Dial numerals numerals Bracelet/strap

Audemars Piguet Royal Oak Tourbillon Ref. 26510ST Aquanaut to increase the lightness ofCase Case material Steel Case diameter 41 mm Dial Blue Bracelet strap Bracelet material Steel Functions Tourbillon, Date In tribute to the legendary Royal Oak, the first prestige sports watch (made of steel at the time) launched by Audemars Piguet in 1972, the new Extra Thin Royal Oak Tourbillon is a double nod to the original idea governing the collection namely a prestigious movement within an ultra thin case as well as to the first tourbillon