I would describe it as being in comparatively very good condition for its age - the watch doesn't look to have seen much wear over the years at all. The obvious signs of use are limited to a few scratches to the caseback, clearly shown in the photos (these could likely be polished out if desired).
eBay
19mm 20mm 21mm 22mm Curved End Cowhide Watchband for Jaeger LeCoultre Master Control Soft Genuine Leather Watch Strap Bracelets
Aliexpress UK
Brown Dial With Alarm Function. Year - Circa 1950-1956. No Box & No Papers, (See the Pictures). Calibre 489/1.
eBay
16mm 18mm 20mm Stainless Steel Deployment Butterfly Buckle for JAEGER-LECOULTRE Watch Silicone cowhide Strap metal Folding Clasp
Aliexpress UK
This item has Jaeger LeCoultre travel box. Overall in excellent working condition. Case has minor wear consistent with age. Total Weight: 54 gram.
eBay
Quick Release Natural Rubber Watch Strap for Omega SEIKO Breitling IWC Oris Jaeger LeCoultre 19mm 20mm 21mm 22mm FKM Watchband
Aliexpress UK
The watch sits on a new Hirsch alligator skin strap with gold plated Hirsch buckle. In the early 1900’s Jacques David Le Coultre joined forces with Edmond Jaeger to create Jaeger le Coultre. The inside case is signed ‘Acier Inoxyable’ and ‘Le Coultre Co’.
eBay
Maikes Top Quality Leather Watch Strap 20mm 22mm Accessories Watchbands Braceletes For Longines Jaeger-LeCoultre Watch Band
Aliexpress UK
Period: Circa 1960s. The cream dial retains its original character with minor marks consistent with its age. Watch Specifications. Serial Number: 713814.
eBay
18mm Deployment Butterfly Buckle for Jaeger LeCoultre Watch for Silicone Cowhide Strap Steel Folding Clasp Bracelet Accessories
Aliexpress UK
This classic wristwatch features an alarm function and is made in Switzerland. Despite being in need of work, it is a valuable collectible for watch enthusiasts and collectors. The watch has not been tested for functionality and is being sold as is >.
eBay
Compatible for Jaeger-LeCoultre Master Ultra Thin, Genuine Leather Strap with Deployment Buckle, Curved End 20mm Brown Black
Aliexpress UK
Era: 1960s. -Alarm function operates properly. -Watch Only. -Signs of wear consistent with age.
eBay
Curved End Real Cowhide Wacth Strap for Jaeger MASTER CONTROL LeCoultre Genuine Leather Black Brown Blue Watchband Free Tools
Aliexpress UK
Overall, this is a well-maintained example that has been thoughtfully cared for. •Material: 14K yellow gold. ✔ Watch only. •Hardware: Yellow gold.
eBay
Real Cow cowhide Watchband For Jaeger-LeCoultre Master Series Curved cowhide Watch Strap Soft and Waterproof 19 20 21MM
Aliexpress UK