PATEK PHILIPPE SOLAR CLOCK
ORIGINAL BOX & CERTIFICATE GILT-BRASS
Patek Philippe, Genève, case No. 670, No. 873082,
Ref. 902.50. Made in the 1960s.
Fine and rare, solar-powered gilt-brass table clock with
solar powered electric winding system. Accompanied by
the Extract from the Archives and a fitted box.
Gilt-brass, brushed, 4 square columns, top with solar
cells, hinged back door.
Matte silver with painted black baton indexes. Gilt
circle and baton hands.
Based on a 17``` Gondolo keyless mechanical
movement, 29 jewels, straight-line lever escapement,
Gyromax balance adjusted to heat, cold and 1 position,
free-sprung Breguet balance spring, solar-powered with
lithium battery back-up, driving a winding train which
replaces the barrel spring.