Strojek RONDA 515 je jeden z řady quartz strojků, které Wenger používá ve svých hodinkách.
| Kalibr: | 515 |
|---|---|
| Size: | 11½ |
| Version Swiss Made: | 1 jewel / nickel plated |
| Hand fitting height: | 1 |
| Battery voltage: | 1.5 V |
| Standard battery: | No. 371 |
| Standard battery life: | 45 months |
| Operating temperature: | 0 - 50 °C |
| -10/+20 sec/month: | 1 |
| Functions: | Date, 3 hands |