| Brand: | Chronoswiss | 
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|---|---|---|---|
| Family: | |||
| Height: | 5.30 mm | ||
| Jewels: | 29 | ||
| Reserve: | 40 hours | ||
| Frequency: | 21600 A/h | ||
| Winding: | Automatic, Central Rotor Automatic Winding, Counter-Clockwise Automatic Winding, Uni-Directional Automatic Winding | ||
| Diameter: | 26.80 mm (11.75 ligne) | ||
| Complications: | |||
| Hands: | Central Hour Hand, Central Minute Hand, Small Seconds Hand at 6:00 | ||
| Distinguishing Technical Characteristics | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
 Central-Rotor Automatic  Counter-Clockwise Balance Cock  Etachron Regulator |
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| Production: 1991 – | |||||||||||
| 1910s | 1920s | 1930s | 1940s | 1950s | 1960s | 1970s | 1980s | 1990s | 2000s | 2010s | 2020s |
Cal. C.121 is an automatic movement with small seconds from Chronoswiss based on the classic Enicar Cal. 165.
| Name | Year Introduced | Features |
|---|---|---|
| C.121 | 1991 | Central hour and minute, small seconds |
| C.122 | 1991 | Regulator: Hour at 12, central minute, small seconds at 6 |
| C.123 | 1999 | “Tora” Regulator: Hour at 3, central minute and seconds, 24 hours at 9 |
| C.124 | 1996 | “Delphis” Regulator: Digital hour at 12, retrograde minutes central, small seconds at 6 |
| C.125 | 2002 | Regulator: Hour at 12, minute and chronograph seconds central, open heart at 6 |
| C.126 | 2003 | Repeater with pusher at 10, hour and minute central, small seconds at 6 |
| C.127 | Full calendar with date by pointer at 3, moon phase at 6, day of week by pointer at 9, month by pointer at 12; central hour, minute, seconds |