PATEK PHILIPPE, REF:3412, NO. 787394, 1961, SOLD 31 JANUARY 1962.
PATEK PHILIPPE, A FINE AND RARE 18K GOLD PROTOTYPE ASSYMETRICAL WRISTWATCH, NEVER MADE IN SERIES. Patek Philippe, Ref:3412, No. 787394, 1961, sold 31 January 1962. 23-300, rhodium finished 18-jewel lever movement, adjusted to heat, cold isochronism and five positions, Gyromax balance, movement stamped with the Seal of Geneva, gilt dial divided into twelve sectors with baton hands, triangular two piece case (ref:3412, no. 3615180) with snap on bezel, maker's 18ct buckle, movement, dial and case signed. 31 x 41mm.
This watch was lot 286 in The Art of Patek Philippe, Antiquorum, Geneva, April 9 1989.
For an example of this reference see, Martin Huber & Alan Banbery, Patek Philippe, Geneve, 1998, second edition, p. 187, fig. 296.