Ronda 3520.D caliber vs Ronda 5040.B caliber: specs compared
Updated 05 September 2026.
5
specs differ
Ronda 3520.D caliber and Ronda 5040.B caliber differ on 5 specs: size, casing diameter, movement height, calendar / layout, stem.
| Spec | Ronda 3520.D caliber | Ronda 5040.B caliber |
|---|---|---|
| Maker | Ronda | Ronda |
| Size | 11 1/2 ligne | 12 1/2 ligne |
| Casing diameter | 25.60 mm | 28.60 mm |
| Movement height | 5.50 mm | 4.40 mm |
| Frequency | 32,768 Hz quartz | 32,768 Hz quartz |
| Jewels | 6 or 13 | 6 or 13 |
| Winding | quartz, battery 395 | quartz, battery 395 |
| Calendar / layout | chronograph, three sub-dials, date at 4 | chronograph, small seconds, 1/10s, 30min and 10h counters, big date |
| Hand fitting | chronograph, sub-dial and centre hands | chronograph, sub-dial and centre hands |
| Stem | Ronda 3000-series stem | Ronda 5000-series stem |
| Power reserve | battery 395, up to 54 months | battery 395, up to 54 months |
Questions and answers
How do Ronda 3520.D caliber and Ronda 5040.B caliber compare?
Ronda 3520.D caliber and Ronda 5040.B caliber differ on 5 specs: size, casing diameter, movement height, calendar / layout, stem.