110th Auction
2024/5/18
Lot 78
Jean-Louis JeanmaireA. Webster & Co. London
A collection of 4 large calendar watches
An impressive and heavy lever chronometer with digital date and weekday display according to the Swiss patent 5139
An impressive and heavy lever chronometer with digital date and weekday display according to the Swiss patent 5139
Sold
estimated
1.200—2.000 €
Price realized
1.300 €
specific features
Case
Nickel.
Dial
Enamel.
Movement
4/5 plate movement, club-tooth lever escapement, large screw compensation balance.
Case no.109398
Diam.68 mm
Circa1892
Ctry.Switzerland
Wt.271 g
Jean-Louis Jeanmaire was granted a patent in 1892 for the invention of displaying the date using date discs in a window. He is considered the inventor of the oversize date.