Patek Philippe The Blue Royale 3448/100

Ref. 3448/100A possibly unique, highly important and astonishingly well-preserved platinum perpetual calendar wristwatch with moonphases, sapphire-set indexes and sapphire display caseback

Manufacturer: Patek Philippe Year: 1973 (cased in platinum in 1997) Reference No: 3448/100 Movement No: 1’119’323 Case No: 2’998’722 Model Name: “The Blue Royale” Material: Platinum Calibre: Automatic, cal. 27-460 Q, 37 jewels Bracelet/Strap: Leather Clasp/Buckle: Platinum Patek Philippe pin buckle Dimensions: 37.5mm diameter Signed: Case, dial, movement and buckle signed Accessories: Delivered with a Patek Philippe Extract from the Archives confirming production of the present timepiece with sapphire hour markers in 1973 and its subsequent date of sale on 18th February 1974. The Patek Philippe Extract from the Archives further remarks the replacement of the case with a platinum one bearing the number 2’998’722 in 1997 during a service.