17 jewels53h power reserve21,600 vph (3 Hz)
Hand-wound movement produced by Master of Time SA and offered through Calibre DB as a Swiss Made alternative compatible with the ETA/Unitas 6497-1 and 6497-2. It has small seconds at 9 o’clock, 17 jewels, a frequency of 21,600 beats per hour and a 53-hour power reserve. The official technical drawing gives a 36.60 mm case-fitting diameter and a 37.20 mm overall diameter.
Last updated 2 Oct 2026Suggest a correction
TECHNICAL SPECIFICATIONS
Movement Type
Manual Winding
Jewel Count
17 jewels
Power Reserve
53h
Frequency
21,600 vph (3 Hz)
Diameter
36.6mm
Height
4.5mm
Display Type
Analog
Winding
Manual
Shock Protection
Incabloc
FEATURES
Small SecondsHand Winding
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