Sellita SW1000-1 caliber vs Sellita SW240-1 caliber: specs compared
Updated 05 September 2026.
8
specs differ
Sellita SW1000-1 caliber and Sellita SW240-1 caliber differ on 8 specs: size, casing diameter, movement height, jewels, calendar / layout, hand fitting.
| Spec | Sellita SW1000-1 caliber | Sellita SW240-1 caliber |
|---|---|---|
| Maker | Sellita | Sellita |
| Size | 8 3/4 ligne | 11 1/2 ligne |
| Casing diameter | 20.00 mm | 25.60 mm |
| Movement height | 3.90 mm | 4.60 mm |
| Frequency | 28,800 A/h (4 Hz) | 28,800 A/h (4 Hz) |
| Jewels | 25 | 31 |
| Winding | automatic, bidirectional | automatic, bidirectional |
| Calendar / layout | centre seconds, date at 3 | small seconds at 6, date at 3 |
| Hand fitting | small-caliber hour / minute / second bores | hour 1.50 / minute 0.90 / small-second sub-hand |
| Stem | SW1000 stem | 401.1029 |
| Power reserve | approx. 40 h | approx. 41 h |
Questions and answers
How do Sellita SW1000-1 caliber and Sellita SW240-1 caliber compare?
Sellita SW1000-1 caliber and Sellita SW240-1 caliber differ on 8 specs: size, casing diameter, movement height, jewels, calendar / layout, hand fitting.