Otero 906
Mechanical
Self-winding (rotor)
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Notes
ball-bearing rotor
sophisticated excenter self-winding mechanism with just one gear stage (cf. Otero 901)
This principle is known as magic lever from Seiko automatics around 1970 (cf. Seiko 6118A), but was already applied in the first Otero automatics from the 50s (cf. Otero 48).
All parts of the automatic module are held together with just two screws (cf. Otero 901).
About the mainsprings of the generation Otero 800...907 varying specs were published, but the differences are too small to be important.
Dimensions
| Width | 26 lignes (58.65 mm) |
|---|---|
| Height | 7.05 mm |
| Stem height | 1.9 mm |
| Hands (H × M × S) | 0.9 × 0.21 × ? mm |
Technical data
| Beat rate | 21,600 vph (3 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 44 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | Rotor |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | — |
|---|---|
| Height | 9.5 mm |
| Thickness | 0.1 mm |
| Length | — |
| Barrel diameter | 1.2 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Otero |
| Year | — |
| Family | — |
| Clone of | — |
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Documents
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Updated 7 days ago · 0 revisions