ETA 2661

ETA 2661 | - The Movement Archive

ETA 2661


In the early 1970ies, ETA lauched their final movement series of 7 3/4 sized movements. Their variations ranged from a simple handwinding movement with 21600A/h (ETA 2640) to the high-beat selfwinding movement with day and date (ETA 2678).
From this series originates this caliber ETA 2661, a high-beat movement with date display.

Technical data

Size:7 3/4'''
lift angle:53°
Number of jewels:17
Escapement:Pallet lever
Balance types: Nickel anular balance
Shock protection(s): Incabloc
Balance bearing / direction hairspring:Counterclockwise
Moveable stud:yes
Adjust mechanism:Hairspring key
  • lever
  • escape wheel, seconds wheel, third wheel, large driving wheel
  • mainspring barrel
Winding mechanism:yoke winding system
  • SCD (direct center seconds)
  • QG (date indication (aperture))
  • RDR (date corrector)
References: Flume: K3N1 -

Usage gallery

ETA 2661: Enicar MRC Star Jewels ladies' watch

Enicar MRC Star Jewels ladies' watch