Mido 707
Mechanical
c. 1951
Self-winding (rotor)
No photos yet
Notes
1951-1957
first rotor automatic from Mido
lever, ratchet wheel, pawl wheels beryllium bronze
detached manual wind
Incastar regulator (Fig.4, 5):
The only large-scale produced regulator featuring a free oscillating hairspring. The end of the spring is fixed between two rollers, adjusting actually its length (photo at the bottom). No isochronism error by the gap between the regulator pins.
Dimensions
| Width | 17.7 lignes (39.93 mm) |
|---|---|
| Height | 5.15 mm |
| Stem height | 0.9 mm |
| Hands (H × M × S) | 1.2 × 0.75 × 0.2 mm |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 33 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | Rotor |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | GR3563-X |
|---|---|
| Height | 1.4 mm |
| Thickness | 0.06 mm |
| Length | 240 mm |
| Barrel diameter | 7 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Mido |
| Year | c. 1951 |
| Family | — |
| Clone of | — |
Related calibers
Documents
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Updated 7 days ago · 0 revisions