ETA 901.001 caliber vs Miyota 8205 caliber: specs compared
Updated 05 September 2026.
11
specs differ
ETA 901.001 caliber and Miyota 8205 caliber differ on 11 specs: maker, size, casing diameter, movement height, frequency, jewels.
| Spec | ETA 901.001 caliber | Miyota 8205 caliber |
|---|---|---|
| Maker | ETA (Swatch Group) | Citizen Miyota |
| Size | 7 3/4 ligne | 11 1/2 ligne |
| Casing diameter | 17.20 mm | 26.00 mm |
| Movement height | 3.20 mm | 5.67 mm |
| Frequency | 32,768 Hz quartz | 21,600 A/h (3 Hz) |
| Jewels | 1 | 21 |
| Winding | quartz, battery 364 (SR621SW) | automatic, unidirectional |
| Calendar / layout | centre seconds, no date | centre seconds, day and date at 3 |
| Hand fitting | small-caliber hour / minute / second bores | hour 1.50 / minute 0.90 / second 0.20 mm (bore) |
| Stem | 901 stem | 8200-series stem |
| Power reserve | battery, up to 40 months | approx. 42 h |
Questions and answers
How do ETA 901.001 caliber and Miyota 8205 caliber compare?
ETA 901.001 caliber and Miyota 8205 caliber differ on 11 specs: maker, size, casing diameter, movement height, frequency, jewels.