5R66
Spring Drive
Seiko's 5R66 is a Spring Drive mechanism equipped with a date display, a secondary 24-hour hand, and a power reserve indicator. Includes a power reserve indicator.
Caliber Details
- Manufacturer
- Seiko
- Type
- Spring Drive
- Power Reserve
- 72 h
- Jewels
- 30
- Display
- Analog
- Hands
- Hours, Minutes, Seconds, Additional 24 Hour Hand (adjustable)
