ETA 2540

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Movement by ETA


Mechanical movement with manual winding, central seconds, 21,600 A/h, power reserve: 44 hours.

Other description: ETA 2544. The movement was used for ladies' watches.

Movement family

  • ETA 2540, ETA 2544: manual winding
  • ETA 2541, ETA 2545: manual winding, date
  • ETA 2550: Automatic
  • ETA 2551: Automatic, date

Description:

Self-winding movement
Incabloc shock protection
Escapement: Stone lever
Yoke winding system
Nickel balance spring

Functions:

Hours, Minutes, (date)
Central seconds

Data:

lignes
D 17.2 mm, H 3.3 mm
17 jewels
21,600 A/h
Power reserve 44h

Production period:

1967-1972