ETA 7750-721, Balance, complete, Chronometre

• ETA original chronometre balance with the "old" stud for Valjoux or early ETA movements. In very good used condition.
  

• Fits ETA/Valjoux cal: 7750, 7751, 7753, 7754, 7760, 7765
  

• Fits OMEGA cal: 1150, 1152, 1155, 1164, 1164B

Versions: Valjoux / ETA

• 7750: automatic, day, date.
• 7751: automatic, day, date, moon phase.
• 7753: automatic, date, min counter at "3" instead of "12"
• 7754: automatic, date, dual time 24h.
• 7758: automatic, date, moon phase.
• 7760: manual wind, day, date.
• 7761: manual wind, day, date, month, moon phase.
• 7765: manual wind, date, no hour counter.
• 7768: manual wind, date, moon phase.
• 7770: automatic, 29 jewels, split second, COSC.