20 jewels28,800 vph (8 Hz)
The Dreyfuss caliber 39 is a manual-winding movement manufactured by ETA SA in Switzerland, based on the modular Eterna caliber 39. Operating at 28,800 vph with 20 jewels, it was adapted from the automatic version for use in the brand's pilot-style flieger watches. It features Incabloc shock protection.
TECHNICAL SPECIFICATIONS
Movement Type
Manual Winding
Jewel Count
20 jewels
Frequency
28,800 vph (8 Hz)
Display Type
Analog
Shock Protection
Incabloc
