Seiko 2101 Movement Details
                
                Seiko calibre 2101 is an automatic watch movement. Production started around 1963.
                Find watches with this movement on eBay.
                
                
                
              
| GMT / world time? | No | 
| Chronograph? | No | 
| Rate: | 19,800 bph | 
| Number of jewels: | 21 | 
| Size / diameter: | 6 3/4 x 8 lignes or 15.5 x 17.9mm | 
| Notes: | Probably the first ladies automatic watch. |