lever watch

An early example of the classic 19th-century English full-plate lever watch.

Pitkin was the inventor of the American lever watch movement for pocket watches.

Lever watches became common after about 1820, and this type is still used in most mechanical watches today.

Watches that used these escapements were called pin lever watches, and have been superseded by cheap quartz watches.

ROLLER A polished steel disc mounted on the balance-staff of a lever watch.

Most modern mechanical watches are jeweled lever watches, using manmade ruby or sapphire jewels for the high-wear areas of the watch.

Stiles contacted Harry Rubenstein, curator of the Lincoln collection at the Smithsonian in Washington, and the watch in question was identified as an English lever watch in the collection.

A Roskopf, pin-lever, or pin-pallet escapement is an inexpensive, less accurate version of the lever escapement, used in mechanical alarm clocks, kitchen timers, mantel clocks and, until the 1970s, cheap watches now known as pin lever watches.