PATEK PHILIPPE REF. 3597/2 BETA 21
DETACHABLE BRACELET YELLOW GOLD
Patek Philippe, Genève, No. 00006101, case No. 2720560,
Ref. 3597/2. Made in 1973, sold on July 9th, 1973.
Rare and unusual center second, water-resistant, large
cushion-shaped, 18K yellow gold wristwatch with date.
Accompanied by an Extract from the Archives.
Two-body, solid, polished and brushed, hooded lugs,
screw-down case back.
Brushed blue with applied luminous yellow gold indexes,
aperture for the date, outer green minute division.
Luminous yellow gold baton hands.
Cal. CEH Beta 21, frequency of the quartz oscillator
8192 Hz., reduced to 256 Hz. by the frequency reducer,