Zenith 18.5''' Balance, complete

• ZENITH original balance, complete. In very good used condition ready to be fitted.

• Fits cal: 18.5''' open face and hunter calibers.

• Not sure about the caliber, see link:

• https://urdelar.shop/product/zenith-18-5?_pos=8&_sid=dbcd5f868&_ss=r&variant=32947194495061

Technical data: Zenith cal: 18.5'''

• 15 jewels, manual wind, sub second.
• Size: 18.5''' 41.30 mm.
• H: = 6.80 mm.
• N: = 18.000 A/h.
• Power reserve: 30 h.
• Mainspring: 2,00 x 16,5 - 0,20 - 500 AT = Double brace and hole.

Versions:

• 18.5''' open face caliber.
• 18.5''' hunter caliber.
• 18.5''' NVSI: open face caliber, negative wind/setting mech.
• 18.5''' NVSI: hunter caliber, negative wind/setting mech.