/ / / Longines Ultra-Chron Automatic 18k Yellow Gold NWW 1641

Longines Longines Ultra-Chron Automatic 18k Yellow Gold NWW 1641

Longines Ultra-Chron Automatic 18k Yellow Gold

Vintage Longines Ultra-Chron automatic wristwatch. It is made from 18 karat yellow gold dating to early 1970s. The watch is in all round excellent condition, fully serviced and keeping time to less than 9 seconds per day which is outstanding for a near 50 year old watch. It comes with a Longines pin buckle which is a later buckle. It is not hallmarked but tested as 1 karat gold, so accompanies the watch perfectly. It also comes in the original Longines presentation box. The case is thick and heavy with a solid appearance and a solid case back. The dial is a warm cream colour with gold index markers, date window surround and hands. Has an acrylic crystal and unmarked push crown. The movement is a rather special Longines in house calibre 431 high beat automatic movement. Debuting in 1967, the Ultra-Chron was built to celebrate Longines centenary. the Ultra-Chron was one of the earliest watches to operate at 36,000 bph at a time when the standard was just half that. So the high beat movement gives a quick and smooth sweep second hand as it beats at around 10 times per second. Replacement leather strap in mint condition. Collectors classic watch. Dimensions are width is 36 mm excluding the crown, 37 mm including the crown, 38 mm lug to lug and 9 mm thick


Key Characteristics

Brand: Longines
Band: Leather Strap
Case Material: Gold 18k
Condition: Mint
Movement: Automatic