Seiko 6720 Movement Details
Seiko calibre 6720 is a high grade analogue quartz watch movement. Production started around 1980.
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| Sub-brands: | Credor |
| Battery: | TR709SW / (Needs to be sent to CoServ for replacement.) |
| Accuracy: | ±15 seconds/month |
| Day / date? | No |
| GMT / world time? | No |
| Chronograph? | No |
| Hacking? | No |
| Rate: | 32,768 Hz |
| Size / diameter: | 18.0mm x 13.0mm |
| Height: | 0.89mm |
| Notes: | The world's thinnest movement when it was launched in 1980. |