Ronda 585 caliber vs Ronda 6203.B caliber: specs compared
Updated 05 September 2026.
7
specs differ
Ronda 585 caliber and Ronda 6203.B caliber differ on 7 specs: casing diameter, movement height, winding, calendar / layout, hand fitting, stem.
| Spec | Ronda 585 caliber | Ronda 6203.B caliber |
|---|---|---|
| Maker | Ronda | Ronda |
| Size | 11 1/2 ligne | 11 1/2 ligne |
| Casing diameter | 25.60 mm | 26.00 mm |
| Movement height | 3.60 mm | 3.30 mm |
| Frequency | 32,768 Hz quartz | 32,768 Hz quartz |
| Jewels | 1 or 5 | 1 or 5 |
| Winding | quartz, battery 390 (SR1130SW) | quartz, battery cell |
| Calendar / layout | small seconds at 6, date at 3 | dual time and date at 3 |
| Hand fitting | hour 1.50 / minute 0.90 / small-second sub-hand | hour / minute / second plus 24h sub-hand |
| Stem | Ronda 500-series stem | Ronda 6000-series stem |
| Power reserve | battery 390, up to 45 months | battery |
Questions and answers
How do Ronda 585 caliber and Ronda 6203.B caliber compare?
Ronda 585 caliber and Ronda 6203.B caliber differ on 7 specs: casing diameter, movement height, winding, calendar / layout, hand fitting, stem.