ETA 2487

 
ETA 2487

ETA 2487

Technical data

Manufacturer:ETA
Caliber:2487
Number of jewels:17
Escapement:Pallet lever
Balance types: Nickel anular balance
Shock protection(s): Incabloc
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
Functions:hour, minute
A/h:21600
Size:5 3/4 x 6 3/4'''
Literature: Flume: K3 78