Patek Philippe. A fine small steel water resistant wristwatch with Breguet numerals
Signed Patek Philippe & Co., model Calatrava, movement no. 910578, 1940s
The nickel plated movement jewelled to the centre with gold alloy balance, micrometer regulation, 18 jewels, adjusted to heat, cold, iscochronism and to five positions, under separate metal dust cover, the matt white dial with raised Breguet numerals, subsidiary seconds, in circular case with flat bezel and screw back, case, dial and movement signed
28 mm. diam.