Longines Ultra-Chron 18K yellow gold automatic watch with an 18K yellow gold bracelet; 18K yellow gold case, polished; case diameter (excluding crown) 34 mm; case thickness 10.7 mm; bezel in 18K yellow gold, smooth and polished. Bracelet: 18kt yellow gold, polished and satin-finished; folding clasp in 18kt yellow gold with manufacturer’s logo. Gray dial with applied yellow gold hour markers and yellow gold hands. Automatic movement, Longines Caliber 431 with 17 jewels. Hour, minute, and second display via central hands; date display between 4 and 5 o’clock. Plexiglass. Fluted crown with manufacturer’s logo. 18K yellow gold case back, screw-down and engraved. Weight of the watch including bracelet: 109 g; length of the bracelet including case: 175 mm, see image number 8. Reference number: 8360, case number: 15908XXX, year of manufacture: 1972, ID: KRE238760626RE-15800, item number: 10000086342. With accuracy check and complete external refurbishment from June 2026. Original Longines box and Watch Register extract from June 2026, The Watch Register certificate / no entry (international database for lost or stolen watches). Super bargain, extremely rare collector’s item, first-hand. Very good condition. Available immediately. Includes the watch.de Certified Pre-owned seal / watch passport with a color photo, detailed description, and the watch’s replacement value of over €15,800, plus a 1,000-day warranty from the date of purchase.