22 jewels
The EPSON-YN55A is an automatic movement with hand-winding and hacking seconds, manufactured by Seiko in Japan. It contains 22 jewels and features Seiko Diashock shock protection. The caliber, also known as the F6922, was developed to succeed the 46943 movement and first appeared in the Orient Mako II and Ray II in April 2016. It remains in production.
TECHNICAL SPECIFICATIONS
Movement Type
Automatic
Jewel Count
22 jewels
Display Type
Analog
Shock Protection
Diashock
FEATURES
Hand WindingHacking Seconds
