Patek Philippe. An 18 carat pink gold square wristwatch with sliding sides

SIGNED PATEK PHIILPPE & CO., GENEVE, NO. 954943, CIRCA 1950

细节

Patek Philippe. An 18 carat pink gold square wristwatch with sliding sides
Signed Patek Phiilppe & Co., Geneve, No. 954943, circa 1950
10'''-200, with circular nickel finished jewelled lever movement, bimetallic compensation balance, the matt silvered dial with applied Roman and faceted numerals, subsidiary seconds, the rectangular case (No. 657209 Ref. 1486) with snap on back, hooded lugs, sliding sides to protect against water entry, together with an 18 carat pink gold associated link bracelet and clasp, case, dial and movement signed
27 mm. wide

拍品专文

This type of watch was apparently produced in the attempt to make it waterproof by protecting the snap on back with sliding sides.
A similar watch is illustrated in Armbanduhren by G. Negretti and F. Nencini, p. 224.