| Brand | Longines |
| Caliber Number | L592.4 |
| In-House? | No |
| Base Caliber | ETA A20.L11 |
| Movement Type | Automatic, self-winding mechanical |
| COSC? | Yes |
| Lignes | 8.75”’ |
| Diameter | 19.4mm |
| Height | 3.6mm |
| Jewel Count | 22 |
| Beat Rate | 28,800 vph, 4Hz |
| Lift Angle | Unconfirmed |
| Power Reserve | ~40 hours |
| Rotor Style | Ball-bearing |
| Rotor Winding Direction | Bi-directional |
| Hand-Windable? | Yes |
| Anti-Shock Device | Nivachoc |
| Balance Spring | Silicon |
| Hand Count | 3 |
| Functions | Central hours; central minutes; central sweeping seconds; date at 3:00 |
| Hacking Seconds? | Yes |
| Country of Manufacture | Switzerland, Swiss made |
| Known Models | Â Longines Record ladies watch 26mm/30mm (Add your watch to the comments below…) |
The Longines caliber L592.4 is a chronometer rated and COSC certified ladies size watch movement.
This caliber has 22 jewels and a frequency of 28,800bph.
The L592.4 is Swiss made by ETA. It is basically an ETA A20.L11 with a custom Longines rotor.
Rotor Styles:
This calibre is available with either a silver or gold tone rotor depending on the model.
Additional Resources:
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