Ronda 5111

 
Ronda 5111

Ronda 5111

Description

This is a very simple, tiny ladies’ watch movement, which contains no jewels except the one of the finger of the balance, which runs in two plastic bearings.

A better version was released as caliber 5131.

Technical data

Manufacturer:Ronda
Caliber:5111
Number of jewels:1/17
Escapement:Pin lever
Balance types: Nickel anular balance
Shock protection(s): none
Balance bearing / direction hairspring:Counterclockwise
Moveable stud:yes
Adjust mechanism:Hairspring key
Construction:
  • lever
  • escape wheel, seconds wheel, third wheel, center minute wheel, mainspring barrel
Functions:hour, minute
A/h:21600
Size:6 3/4 x 8'''

Usage gallery

Yves Renaud ladies' watch

Yves Renaud ladies' watch