Zenith 18.5''' NVSI, Complete movement

• ZENITH 18.5''' NVSI hunter movement in very good running condition. Complete as pictured. Service is recommended!

• Number: 2.471.246 (aprox 1920).

Technical data: Zenith cal: 18.5''' NVSI

• 16 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.