Longines Chronograph Pocket Watch West End Cal. 19.73N | WatchUSeek Watch Forums
Longines 19.73 Pocket watch Movement Chronograph for project or parts ... | eBay
Longines Chronograph Caliber 19.73N in .900 Silver Ca 1912 | Cowan's Auction House: The Midwest's Most Trusted Auction House / Antiques / Fine Art / Art Appraisals
Longines Doppelchronograph Taschenuhr Kaliber 19.73N (1922)... for $2,112 for sale from a Private Seller on Chrono24
Longines - Double-faced pocket watch, chronographs, minute-recorders, calibre 19.73 N; “Anti Magnétique”; 18K yellow gold | Important Modern & Vintage Timepieces | Hong Kong, May 10,2020
Longines Very Fine And Rare Large 14K Gold Wrist-Chronograph Circa | Lot #54315 | Heritage Auctions
Longines Chronograph Caliber 19.73N in .900 Silver Ca 1912 | Cowan's Auction House: The Midwest's Most Trusted Auction House / Antiques / Fine Art / Art Appraisals