IWC 53 20"
Mechanical
c. 1889
No photos yet
Notes
1889-1892, ~3000
1889-1927, ~176820 (all 53)
hunter calibre
bimetallic screw balance with 4 adjustment screws
Breguet hairspring
barrel with Geneva stopwork
details cf. IWC 52 19" H5
Dimensions
| Width | — |
|---|---|
| Height | 7 mm |
| Stem height | — |
| Hands (H × M × S) | 2 × 0.65 × 0.22 mm |
Technical data
| Beat rate | 18,000 vph (2.5 Hz) |
|---|---|
| Lift angle | — |
| Power reserve | 30 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 | IWC |
| Year | c. 1889 |
| Family | — |
| Clone of | — |
Documents
None
Updated 7 days ago · 0 revisions