Longines 490 (Election 885)
Mechanical
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Notes
The base calibre was passed from Election to Marvin ca. 1960, and finally to Longines in the late 60s. As many parts are interchangable, below the variants of all three manufacturers are listed.
Dimensions
| Width | 29 lignes (65.42 mm) |
|---|---|
| Height | 3.2 mm |
| Stem height | 1 mm |
| Hands (H × M × S) | 1.5 × 0.79 × 0.22 mm |
Technical data
| Beat rate | 21,600 vph (3 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 46 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | — |
|---|---|
| Height | 11.5 mm |
| Thickness | 0.14 mm |
| Length | — |
| Barrel diameter | 1.3 mm |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | Longines |
| Year | — |
| Family | — |
| Clone of | — |
Documents
None
Updated 7 days ago · 0 revisions