Patek Philippe Calatrava 2508

'Calatrava' Gübelin gold wristwatch, Ref. 2508

With sweep center seconds, dial signed by "Gübelin"; circa 1950s Serial Number: 701'651 Dial: Silvered "tropical" double signed Patek Philippe and Gubelin Case Material: 18k yellow gold Bracelet/Strap: Brown leather strap Case Size: 34.5 mm Movement: Manual wind, caliber 27SC Signed: Patek Philippe case, dial, movement, and Gubelin dial