A 9-linge Product with a canopy to safeguard the crystal (a little bit of an obsession at time, as we’ll see), the look didn’t fairly acquire off and these are definitely exceptionally scarce and really high priced. Whilst not as much of the residence title as Rolex, Probably, Audemars Piguet https://www.watchesworld.com/a-history-of-watch-reference-numbers/