43h power reserve28,800 vph (4 Hz)
The Jaeger-LeCoultre 939A-1 is an automatic caliber with an analog display, a power reserve of 43 hours and a frequency of 28,800 vph (4 Hz). Its complications are date and power reserve indicator. Its features include sweep seconds and 24-hour disc. It is in production.
Last updated 29 Apr 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Power Reserve
43h
Frequency
28,800 vph (4 Hz)
Display Type
Analog
COMPLICATIONS
DatePower Reserve Indicator
FEATURES
Sweep Seconds24-Hour Disc
QUICK FACTS
FOR WATCH DEALERS
Sell watches powered by the 939A-1?
Inventory, Chrono24 and eBay sync, and VAT invoicing. Dealer tools are built on this database.