Ronda 515 caliber vs Ronda 715 caliber: specs compared
Updated 05 September 2026.
7
specs differ
Ronda 515 caliber and Ronda 715 caliber differ on 7 specs: casing diameter, movement height, jewels, winding, calendar / layout, stem.
| Spec | Ronda 515 caliber | Ronda 715 caliber |
|---|---|---|
| Maker | Ronda | Ronda |
| Size | 11 1/2 ligne | 11 1/2 ligne |
| Casing diameter | 25.60 mm | 26.20 mm |
| Movement height | 3.00 mm | 2.50 mm |
| Frequency | 32,768 Hz quartz | 32,768 Hz quartz |
| Jewels | 1 | 1 or 5 |
| Winding | quartz, battery 371 (SR920SW) | quartz, battery 371 |
| Calendar / layout | centre seconds, date at 3 | centre seconds, date at 3 or 6 |
| Hand fitting | hour 1.50 / minute 0.90 / second 0.20 mm (bore) | hour 1.50 / minute 0.90 / second 0.20 mm (bore) |
| Stem | Ronda 500-series stem | Ronda 700-series stem |
| Power reserve | battery, up to 45 months | battery 371, up to 60 months |
Questions and answers
How do Ronda 515 caliber and Ronda 715 caliber compare?
Ronda 515 caliber and Ronda 715 caliber differ on 7 specs: casing diameter, movement height, jewels, winding, calendar / layout, stem.