Audemars Piguet 2121

Extremelythinautomatic movementwith 21K goldrotor whichruns on fourrubybearings.Gyromax balancewith 6inertiablocks and aNivaroxflat balance spring.The movementis an ébauchecaliberfromJaegerLeCoultre.AlsousedbyVacheron& Constantin(cal:K1120,K1121, date) andPatekPhilippe(cal:28-255,28-255C, date).

Data: Audemars Piguet K2121

• 
  36 jewels, automatic wind, hour and minute display, date.
• 
  S: = 28.00 mm.
• 
  H: = 3.05 mm.
• 
  N: = 19800

Versions:

• 
  K2120: no date, H=2.45 mm.
• 
  K2121: date, H=3.05 mm.