Family: 220017 jewels18,000 vph (5 Hz)
Historical manual wind, 17 jewels, 18,000 bph. Central seconds. Used in early Amphibia models. 22mm diameter.
TECHNICAL SPECIFICATIONS
Movement Type
Manual Winding
Jewel Count
17 jewels
Frequency
18,000 vph (5 Hz)
Diameter
22mm
Display Type
Analog
FEATURES
Sweep SecondsHand Winding
