Mido 707N
Mechanical
c. 1957
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Notes
1957-
Incastar regulator (Fig.3, 4):
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 | 3.75 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 | 42 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | — |
|---|---|
| Height | 7 mm |
| Thickness | 0.07 mm |
| Length | — |
| Barrel diameter | 1.4 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Mido |
| Year | c. 1957 |
| Family | — |
| Clone of | — |
Related calibers
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Updated 7 days ago · 0 revisions