Certina 28.16-721, Balance, compete

• CERTINA original balance, compete in perfect good used condition.
  

• Fits cal: 28.16, 28.161, 28.163 with 19.800 A/h.
  

Data Certina cal: 28.16

• 17 jewels, manual wind, center second.
• Size: 12.5''' 28.0 mm.
• H: = 4.40 mm.
• N: = 19.800 A/h.
• Power reserve: 46 h.

Versions:

• 28.10:   18.000 A/h, sub second.
• 28.15:   18.000 A/h, center second.
• 28.151: 18.000 A/h, center second, date.
• 28.16:   19.800 A/h, center second.
• 28.161: 19.800 A/h, center second, date.
• 28.163: 19.800 A/h, center second, date, circadian rhythm.

About our used parts!

All our used parts are cleaned and thoroughly checked by a watchmaker, often they comes from a working movement. Minor imperfections may occur, but nothing that affects the function.