Rare 1890 Keystone GF Pocket Watch

This nice c. 1890 timepiece is by the Lancaster Watch Company, serial number 368513. Its size 18s, lever-set movement is grade Keystone Watch Company, model 3, variant 15j-G, and spins on 15 jewels. Only 6.6k were made in this variant. The yellow-gold-filled hunter case has the moderate wear shown. Its crystal and dial are pristine. This watch is in good working order and weighs 130.2 grams.