The Art of American Horology & Colle...

New York, Nov 28, 2001

LOT 381

Patek Philippe & Cie, Genève, Calibre Beta 21, case No. 2720533, Ref. 3597/2. Production of this reference started in 1970.Fine and large, center-seconds, water-resistant, 18K yellow gold gentleman's quartz wristwatch with jump-date and 18K yellow gold pierced integrated bracelet.

C. two-body, solid, polished and brushed, screwed-down case back. D. champagne with applied yellow gold and black indexes, aperture for the date. "Bâton" gold and black hands. M. CEH-Beta 21, 13 jewels, frequency of the quartz oscillator : 8192 Hz, reduced to 256 Hz by the frequency reducer.Dial, case and movement signed. Dim. 43 x 41 mm.