VARIOUS PROPERTIES

Patek Philippe. A rare and unusual oversized 18K gold cushion-shaped electronic wristwatch with sweep centre seconds, date and bracelet

SIGNED PATEK PHILIPPE, GENÈVE, REF. 3587/2, MOVEMENT NO. 5'778, CASE NO. 2'699'694, MANUFACTURED IN 1971

Details

Patek Philippe. A rare and unusual oversized 18K gold cushion-shaped electronic wristwatch with sweep centre seconds, date and bracelet
Signed Patek Philippe, Genève, ref. 3587/2, movement no. 5'778, case no. 2'699'694, manufactured in 1971
Cal. B 21 electroquartz movement, 13 jewels, the blue brushed dial with applied gold baton numerals with luminous detail, outer ring with luminous five minute divisions, luminous hands, sweep centre seconds with hacking feature, window for date, in large cushion-shaped water-resistant-type case with screw back, 18K gold Patek Philippe pierced integral bracelet, case, dial and movement signed
43 mm. wide

Lot Essay

Accompanied by Patek Philippe Extract from the Archives confirming production of the present watch with gold bracelet in 1971 and its subsequent sale on 21 September 1971. To the best of our knowledge, it has never been offered in public before.

Reference 3587/2, the largest wristwatch ever made by Patek Philippe, was launched in 1970 and fitted with an electronic movement, introduced into the market at the Basle Fair in April 1970.

The Beta-21 calibre was developed by a consortium of watch companies, including Patek Philippe, at the Swiss Electronic Research Centre or CEH (Centre Electronique Horloger) in Neuchâtel. It was the first quartz movement for wristwatches with analogue display.

The Beta-21 is described and illustrated in Patek Philippe Wristwatches by Martin Huber & Alan Banbery, second edition, p. 332, pl. 486 & 487.

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