Shanghai ZSE
watch, watches, wristwatch, wristwatches, caliber, manual wound
Description
The chinese ZSE was part of the first incarnation of the "First National Standard Movement", the
first standardized mens' watch movement. It was made between 1972 and 1974, before it was
superseded by the million-seller ZSH series.
The construction is very traditional and easy serviceable - the large four-leg ring balance
contains a thick and rugged (hard to break accidentially) hairspring, which is connected to a
moveable hairspring stud and whose effective length can be regulated directly on the hairspring
key. The balance beats with 21600 A/h and is shock proctected. The shock protection system is
made in China and its springs were available in many different shapes, starting from an
Incabloc-like type to a "four leaf clover". On this specimen, a heart-like spring
was used.
On the dial side, there are no surprise and of
course, this movement uses a yoke winding system.
Technical data
| Manufacturer | Shanghai |
| Caliber | ZSE |
| Number of jewels | 17 |
| Escapement | Anchor with pallets |
| Balance | Nickel |
| Shock protection(s) | China (different types) |
| Balance cock direction | counterclockwise |
| Hairspring stud | moveable |
| Regulator type | Hairspring key |
| Movement construction | Fork
Escapement wheel, Fourth wheel, Third wheel
Center wheel
Mainspring barrel |
| Winding mechanism | yoke |
| Setting lever spring | 3 holes |
| Features | SCD |
| Functions | Hour, minute, second |
| Beats per hour | 21600 |
| Size | 111/4''' (measured: 25,25 mm) |
| Production time | 1972-1974 |
| Image in Flume Werksucher | - |
|
| Factsheet |
