Waltham 1883 open-face
Mechanical
c. 1883
No photos yet
Notes
1883-1919
open face calibre
ratchet on dial side, crown mechanism with rocker bar
bimetallic screw balance, Breguet hairspring
brass escape wheel
mostly fine regulation gear, mounted on cock or plate
Dimensions
| Width | 43.95 lignes (99.14 mm) |
|---|---|
| Height | 10.1 mm |
| Stem height | 1.3 mm |
| Hands (H × M × S) | 2.5 × 1.32 × 0.25 mm |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 33 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 | Waltham |
| Year | c. 1883 |
| Family | — |
| Clone of | — |
Documents
None
Updated 7 days ago · 0 revisions