Seiko 4580 Movement Details
                
                Seiko calibre 4580 is a high grade hand winding watch movement. Production started around 1969 and  production finished in 1970.
                Find watches with this movement on eBay.
                
                
                
              
| Sub-brands: | Grand Seiko, VFA (Very Fine Adjusted) | 
| Accuracy: | ±2 seconds/day | 
| Day / date? | No | 
| GMT / world time? | No | 
| Chronograph? | No | 
| Rate: | 36,000 bph | 
| Number of jewels: | 25 | 
| Development division: | Daini (Kameido, Tokyo, Japan) | 
| Notes: | A very high grade but rare movement – it's believed that less than 200 watches with this movement were produced. | 
| Related movements: | 1984 4500 4502 4520 4522 |