Sonceboz ES 55

 
Sonceboz ES 55 |

Sonceboz ES 55

Description

The diameter is 11 1/4 lignes and it beats with 21600 A/h. The balance runs in two shock protection systems with three legs; on the movement side with a jewel, on the dial side only with a steel plate. The balance drives a pin lever, the center second hand is directly driven while the cannon pinion is driven indirectly by the mainspring barrel.

Sonceboz ES 55: Sonceboz ES 55 dial side

Sonceboz ES 55 dial side

Technical data

Manufacturer:Sonceboz
Caliber:ES 55
Size:11 3/4'''
A/h:21600
Number of jewels:1
Escapement:Pin lever
Balance types:Nickel anular balance
Shock protection(s):Brac Dip Resomatic
Balance bearing / direction hairspring:Clockwise
Moveable stud:yes
Adjust mechanism:Hairspring key
Construction:
  • lever
  • escape wheel, seconds wheel, third wheel, large driving wheel
  • mainspring barrel
Winding mechanism:yoke winding system
Setting lever spring:1 hole
Features:
  • SCD (direct center seconds)
Production period:1978 - ?
Hint: The jewel count, the types of balances used, and the shock protections employed refer only to the specimens held in the archive and are therefore not relevant for the precise identification of the movement.

Usage gallery

Sonceboz ES 55: Kienzle gents watch

Kienzle gents watch