Ronda 3520.D caliber vs Ronda 4220.B caliber: specs compared
Updated 05 September 2026.
9
specs differ
Ronda 3520.D caliber and Ronda 4220.B caliber differ on 9 specs: size, casing diameter, movement height, jewels, winding, calendar / layout.
| Spec | Ronda 3520.D caliber | Ronda 4220.B caliber |
|---|---|---|
| Maker | Ronda | Ronda |
| Size | 11 1/2 ligne | 12 1/2 ligne |
| Casing diameter | 25.60 mm | 28.00 mm |
| Movement height | 5.50 mm | 4.40 mm |
| Frequency | 32,768 Hz quartz | 32,768 Hz quartz |
| Jewels | 6 or 13 | 7 |
| Winding | quartz, battery 395 | quartz, battery cell |
| Calendar / layout | chronograph, three sub-dials, date at 4 | centre seconds, date at 3 |
| Hand fitting | chronograph, sub-dial and centre hands | hour / minute / second |
| Stem | Ronda 3000-series stem | Ronda 4000-series stem |
| Power reserve | battery 395, up to 54 months | battery, up to 54 months |
Questions and answers
How do Ronda 3520.D caliber and Ronda 4220.B caliber compare?
Ronda 3520.D caliber and Ronda 4220.B caliber differ on 9 specs: size, casing diameter, movement height, jewels, winding, calendar / layout.