Seiko UW01 Movement Details
Seiko calibre UW01 is a digital watch movement. Production started around 1984.
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| Battery: | BR2325 / (Lithium) |
| Accuracy: | ±15 seconds/month |
| Day / date? | Day + date |
| GMT / world time? | No |
| Chronograph? | Yes |
| Alarm? | Yes |
| Rate: | 32,768 Hz |
| Size / diameter: | 30.9mm x 28.8mm |
| Height: | 7.05mm |
| Development division: | Daini (Kameido, Tokyo, Japan) |
| Notes: | This movement powered watch model UC-2000 – the world’s first watch with computer functions. It had memory of up to 2,000 characters and could store telephone numbers and addresses as well as a diary or schedule for up to one month. |
| PDF guides: |
Battery replacement guide
: UW01A
Technical guide |
| Related movements: | UW02 |