Ronda 1005 caliber vs Ronda 5021.D caliber: specs compared
Updated 05 September 2026.
9
specs differ
Ronda 1005 caliber and Ronda 5021.D caliber differ on 9 specs: size, casing diameter, movement height, jewels, winding, calendar / layout.
| Spec | Ronda 1005 caliber | Ronda 5021.D caliber |
|---|---|---|
| Maker | Ronda | Ronda |
| Size | 10 1/2 ligne | 12 1/2 ligne |
| Casing diameter | 23.30 mm | 28.60 mm |
| Movement height | 2.50 mm | 4.40 mm |
| Frequency | 32,768 Hz quartz | 32,768 Hz quartz |
| Jewels | 1 or 5 | 5 or 10 |
| Winding | quartz, battery 371 | quartz, battery cell |
| Calendar / layout | centre seconds, date at 3 | bicompax chronograph, two sub-dials, date |
| Hand fitting | hour 1.50 / minute 0.90 / second 0.20 mm (bore) | chronograph, sub-dial and centre hands |
| Stem | Ronda 1000-series stem | Ronda 5000-series stem |
| Power reserve | battery 371, up to 50 months | battery, multi-year |
Questions and answers
How do Ronda 1005 caliber and Ronda 5021.D caliber compare?
Ronda 1005 caliber and Ronda 5021.D caliber differ on 9 specs: size, casing diameter, movement height, jewels, winding, calendar / layout.