Certina 13.20, Complete Movement

• CERTINA complete movement in good working order, needs service.

• Comes with a new winding stem.

Data:

• 17 jewels, manual wind.
• Size: 5.75 x 6,75''' 13 x 15.25 mm.
• H: = 3.55 mm.
• N: = 19.800 A/h.
• Power reserve: 43 h.

Versions:

• 13-20:    19.800 A/h.
• 13-21:    19.800 A/h, threads for casing clamps.
• 13-22:    21.600 A/h, threads for casing clamps.