Patek Philippe & Co. An unusual 18k gold horizontal rectangular 'drivers' wristwatch

Ref.402, Movement No.200'317, Case No.610'662, movement made in 1920, cased in 1934, sold on February 6, 1935. Cal.8-lignes nickel plated 18 jewel movement with eight adjustments, silvered dial with applied baton markers, dauphine hands, 18k gold horizontal rectangular case on Patek Philippe strap, case, dial and movement signed. width 26mm. Estimate: $12,000 - 17,000

Footnote: With Patek Philippe Extract from the Archives

Drivers watches were designed to be worn on the side of the wrist to allow the dial to be viewed by the driver while holding the steering wheel, examples by such prestigious companies as Patek Philippe were made in limited numbers and today very rare. (Copyright © 2002-2008 Bonhams 1793 Ltd., Images and Text All Rights Reserved)

Bonhams. Fine Jewelry and Watches, 15 Aug 2008. Quail Lodge Resort and Golf Club, Carmel, California. www.bonhams.com