IWC 8541
Mechanical
c. 1963
Self-winding (rotor)
Date
Hacking
No photos yet
Notes
1963-1974, 162000 (8541, 8541B)
excenter winding mechanism, if 25 jewels with ruby-rollers
adjustment screws on balance spokes
Breguet hairspring
double excenter regulator for curb pins and stud carrier
Dimensions
| Width | 28 lignes (63.16 mm) |
|---|---|
| Height | 5.9 mm |
| Stem height | — |
| Hands (H × M × S) | 1.4 × 0.8 × ? mm |
Technical data
| Beat rate | 19,800 vph (2.75 Hz) |
|---|---|
| Lift angle | 48 ° |
| Power reserve | 44 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | Rotor |
|---|---|
| Date | Yes |
| Day | No |
| Hacking | Yes |
| Chronograph | No |
Mainspring
| GR code | — |
|---|---|
| Height | 10.5 mm |
| Thickness | 0.12 mm |
| Length | — |
| Barrel diameter | 1.1 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | IWC |
| Year | c. 1963 |
| Family | — |
| Clone of | — |
Documents
None
Updated 7 days ago · 0 revisions