Hans Wilsdorf, the founder of Rolex, created the first waterproof wristwatch and later the self-winding mechanism with a Perpetual rotor.… | Instagram
![Found: A Super Rare Hans Wilsdorf Oyster Wristwatch, For Sale (Notice We Didn't Say "Rolex Oyster"?) - Hodinkee Found: A Super Rare Hans Wilsdorf Oyster Wristwatch, For Sale (Notice We Didn't Say "Rolex Oyster"?) - Hodinkee](https://hodinkee.imgix.net/uploads/article/hero_image/480/HansWilsdorfOyster.001.jpg?ixlib=rails-1.1.0&fm=jpg&q=55&auto=format&usm=12&w=1200&h=630&fit=crop)
Found: A Super Rare Hans Wilsdorf Oyster Wristwatch, For Sale (Notice We Didn't Say "Rolex Oyster"?) - Hodinkee
![Found: A Super Rare Hans Wilsdorf Oyster Wristwatch, For Sale (Notice We Didn't Say "Rolex Oyster"?) - Hodinkee Found: A Super Rare Hans Wilsdorf Oyster Wristwatch, For Sale (Notice We Didn't Say "Rolex Oyster"?) - Hodinkee](https://cdn.hodinkee.com/uploads/block/inline_image/content_image/2575/Screen_Shot_2013_02_26_at_3.59.20_PM.png.20_PM.png)