AS 1291
Mechanical
Date
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Notes
often or always signed as AS 1290
A wheel between barrel and minute pinion allows to place center-second wheel and barrel in the same layer, and thus, regarding former conditions, a rather thin base movement (3.5mm), despite the sweep second. The changed revolution direction of the barrel makes an additional wheel in the winding gear necessary.
Dimensions
| Width | 25.6 lignes (57.75 mm) |
|---|---|
| Height | 4.6 mm |
| Stem height | 1.75 mm |
| Hands (H × M × S) | 2.2 × 1.3 × 0.9 mm |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 39 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | Yes |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | GR5241 |
|---|---|
| Height | 1.8 mm |
| Thickness | 0.1 mm |
| Length | 260 mm |
| Barrel diameter | 8 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | AS |
| Year | — |
| Family | — |
| Clone of | — |
Related calibers
Documents
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Updated 7 days ago · 0 revisions