LeCoultre 31, 19"
Mechanical
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Notes
hunter calibre
bimetallic screw balance, Breguet hairspring
option: pink gold train (example movement)
wolf-tooth winding wheels
barrel with Geneva stopwork
repeater: slide operated, 2 hammers on spiral gongs, hook-lever regulator
produced in the sizes 19 und 20"
choice between straight and curved bridges
For early LeCoultre calibres the number only indicates the basic design. They were made in varying layouts (e.g. open face, hunter) and/or different sizes.
Dimensions
| Width | — |
|---|---|
| Height | 7 mm |
| Stem height | — |
| Hands (H × M × S) | — |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 36 h |
| Jewels | — |
| Shock protection | — |
| Mobile stud carrier | No |
Complications
| Self winding | No |
|---|---|
| Date | No |
| Day | No |
| Hacking | No |
| Chronograph | No |
Mainspring
| GR code | — |
|---|---|
| Height | — |
| Thickness | — |
| Length | — |
| Barrel diameter | — |
Overview
| Type | Mechanical |
|---|---|
| Manufacturer | LeCoultre |
| Year | — |
| Family | — |
| Clone of | — |
Documents
None
Updated 7 days ago · 0 revisions