One is marked Longines 431 and the other is unmarked it may be a caliber 6651 that interchanges with the 431. The balance in the 431 movement swings freely and the staff seems OK. The pictures are a large part of the description here, so look at the photos carefully. Only the parts shown are included. One movement has a stem and unsigned yellow gold crown; the other movement has a dummy stem/crown not usable parts. One movement has a good black number date ring. The movements are otherwise untested. Movement diameter is 26.0mm. Useful parts for the popular high-beat 36,000 full rotor movement cal. 431 found in Longines Ultra-Chron vintage divers watch models and other Longines dive watch models from the 1960s/70s. Check out our other auctions this week for many automatic Longines vintage watch movements and parts to complete or restore highly collectible Longines watch models and other vintage Longines watches. Check out our other auctions this week for Longines 431 marked Longines Conquest 19AS Longines 6652 Longines 10L and 370 used movements. These are all rare watch parts to complete or restore highly collectible Longines vintage watch models. If you need another vintage Longines used movement, message us and we’ll check our unlisted stock. We have hundreds of Longines movements and unlisted NOS movement parts for sale, so message us if you are seeking something special. This item is in the category “Jewelry & Watches\Watches, Parts & Accessories\Parts, Tools & Guides\Parts\Other Watch Parts”. The seller is “squinky” and is located in this country: US. This item can be shipped worldwide.
- Country/Region of Manufacture: Switzerland
- Model: caliber 431 or 6651
- Year of Manufacture: 1960-1969
- Type: Movement Parts
- Compatible Model: Longines 431 or 6651
- Brand: Longines