Favre-Leuba 253
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Favre-Leuba |
| Year | ~ |
Documents
No documents
Notes:
balance bridge
straight lever (ligne angulaire)
two barrels coupled in parallel
winding details (Fig.7):
placement of the coupling wheels one over the other to minimize bearing pressure,
barrels without cover but with bushing of full barrel height,
click spring directly at crown wheel
detail modifications during production periode (cf. photos)
Dimensions
| Width | 25.6 lignes |
|---|---|
| Height | 3.0 mm |
| Stem height | 1.0 mm |
| Hands diameter (H x M x S) | 1.3 x 0.8 x 0.18 mm |
Technical data
| Lift angle | ° |
|---|---|
| Beat rate | 18000 BPH |
| Jewels count | |
| Power reserve | 48 hours |
| Shock protection | |
| Mobile stud carrier | false |
Complications
| Self winding | no |
|---|---|
| Date | false |
| Day | false |
| Hacking | false |
| Chronograph | false |
Mainspring
| GR code | |
|---|---|
| Length | 210 |
| Height | 6.5 |
| Thickness | 0.065 |
| Diameter | 1.55 |