| Manufacturer | Ronda |
| Caliber Number | 513 |
| Movement Type | Quartz, battery-powered |
| Lignes | 11.5”’ |
| Diameter | 25.6mm |
| Height | 3mm |
| Jewel Count | 1 jewel |
| Battery Cell | 371 |
| Battery Life | ~45 months |
| Low Battery Indicator (EOL)? | No |
| Stem Part # | 401-1483 |
| Hand Count | 3 |
| Hand Sizes | 1.20mm / .70mm / .20mm |
| Functions | Central hours; central minutes; central seconds |
| Hacking Seconds? | Yes |
| Country of Manufacture | Switzerland (Swiss Made), Thailand (Swiss Parts) |
| Known Models | Ragazzo R1 (add your watches to the comments below!) |
The Ronda caliber 513 is a 3-hander quartz movement with 1 jewel. It is part of Ronda’s Powertech family of affordable quartz calibers.
The 513 is available in Swiss Made or Swiss Parts, both having 1 jewel and a silver (nickel) finish.
There is also a cal. 513S with a “fix motor pulse” and lower battery life of 24 months.
Accuracy:
According to official documentation, Ronda claims that the 513 has a accuracy rating of between -10/+20 seconds per month.
Replacement Prices:
At the time of this post, replacement prices of $8.95-9.95 USD were found online.
Additional Resources:
network of watch sites
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