Skip to product information
1 of 7

The Watch Outlet

Jaeger-LeCoultre Master Thin Reserve de Marche Auto Steel Mens Watch Q1378420

Regular price $6,499.00 USD
Regular price $8,850.00 USD Sale price $6,499.00 USD
Sale Sold out
Shipping calculated at checkout.
Pre-owned in pristine condition - see pictures. Comes on a brand new Jaeger-LeCoultre alligator strap. Original Jaeger-LeCoultre box, no papers. 
1-year Watch Outlet warranty included.

Stainless steel case with a black alligator leather strap. Fixed stainless steel bezel. Silver dial with silver-tone hands and stick hour markers. Minute markers around the outer rim. Dial Type: Analog. Date sub-dial. Small seconds sub-dial at the 6 o'clock position. Automatic movement with 43 hour power reserve. Scratch resistant sapphire crystal. Skeleton case back. Case diameter: 39 mm. Case thickness: 10 mm. Rectangle case shape. Deployment clasp with push button. Water resistant at 30 meters / 100 feet. Functions: date, hour, minute, second. Additional Info: power reserve indicator on dial. Luxury watch style. Watch label: Swiss Made. Jaeger LeCoultre Ultra Thin Reserve de Marche Automatic Men's Watch Q1378420.


  • Jaeger LeCoultre
  • Reserve de Marche
  • Q1378420
  • Men's
  • Swiss Made
  • Automatic
  • Jaeger LeCoultre Calibre JLC 938
  • 43 hours


  • 39 mm
  • 10 mm
  • Stainless Steel
  • Rectangle
  • Skeleton


  • Analog
  • Silver
  • Scratch Resistant Sapphire
  • Silver-tone
  • Minute Markers around the outer rim
  • Small seconds sub-dial at the 6 o'clock position
  • Fixed stainless steel
  • Silver-tone
  • Stainless Steel


  • Strap
  • Alligator Leather
  • Black
  • Deployment with Push Button


  • 30 meters / 100 feet
  • Date display at the 2 o'clock position
  • Date, Hour, Minute, Small Second, Power Reserve Indicator
  • Calendar, Leather, Power Reserve Indicator, Stainless Steel

Shipping & Returns

Free Domestic Shipping

We ship your order as quickly as possible, and often on the same day we receive it. All orders to domestic locations are shipped free via UPS

International Shipping

International orders have a flat shipping rate of $99. Please contact us before to make sure your country is supported. Orders will be shipped via UPS or FedEx Express. The customer is responsible for import duties.


Not 100% satisfied with your purchase? No worries. Simply send your item back to us in its new, unused condition, within 30 days of purchase, and we would be happy to provide a full refund of the purchase price. To ensure a smooth return process, please inspect your watch or jewelry item as soon as it arrives. Before removing any tags/factory tape and before wearing it, once it is worn or sized or the tags/factory tape has been removed, We will not accept the returned item.