ETA 7750-401, Winding stem, Thread: 0.90

• ETA original winding stem
  

• Thread: 0.90 mm.
  

• Fits cal: 7750, 7751, 7753, 7754, 7758, 7760, 7761, 7765, 7768, 7770

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.