12 1/2”’ | Hand Wind | Swiss Lever | Indirect Sweeping Seconds |

Remarks:

• Replica of the Zenith 135
• Chronometer movement from Wostok
• Cam disk fine regulator
• Indirectly driven minute and seconds allow very large balance
• Movement family:
  • Wostok 2809: 22 jewels, fine regulator, precision: -10/+5 s/d
  • Wostok 2809A: 22 jewels, fine regulator, lower precision: -/+ 30 s/d
  • Wostok 2809B: 18 jewels, no fine regulator

• Listing ID: 11288
• Manufacturer / Brand: Wostok / Vostok
• Caliber: 2809 / 2809A
• Size in French Lignes: 12 1/2'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: Sweeping seconds (central seconds)
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 22
• Setting Lever Screw/Pin Position: Left
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Poljot
• Beats per hour: 18,000
• Balance Type: Monometallic screw balance with Breguet hairspring
• Power Reserve: Approx. 44 hours
• Production Period: 1957+
• Identification: Listed in the Flume K3 catalog from 1972.
• External Link 2: https://urss.watch/2021/06/26/2809-et-2809a-%d1%87h36m-volna/
• Country: Russia
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)