LONGINES, REF. L4.665.6, ERNEST FRANCILLON TRIPLE DATE CHRONOGRAPH MOONPHASE, YELLOW GOLD | Important Modern & Vintage Timepieces | Geneve, November 8,2020
LONGINES Ernest Francillon Watch case 35mm gold, power r… | Drouot.com
Longines Chrono Ernest Francillon ref L46524, Photo 2 on Gmtbroker
Longines Watch Co. Francillon Ltd. | LinkedIn
Sold at Auction: LONGINES-FRANCILLON yellow gold watch