Certina 919.1-401, Winding Stem

• CERTINA original winding stem, not in factory packaging.

• Thread: 0.90 MM.

• Fits cal: 853.1, 854.1, 919.1, 920.1

Data Certina cal: 919.1

• 25 jewels, automatic wind, quickset date, hack feature.
• Size: 11.5''' 25.60 mm.
• H: = 5.25 mm.
• N: = 28.800 A/h.
• Power reserve: 45 h.

Versions:

• 853.1: manual wind.
• 854.1: manual wind, date.
• 919.1: base caliber, automatic wind, date.
• 920.1: automatic wind, day, date.