23 1/2”’ | Hand Wind | Swiss Lever | Indirect Sweeping Seconds |

Remarks:

• Movement used in marine deck watches
• Design based on Ulysse Nardin caliber 4
• Gilded, with Geneva stripes
• Swan-neck fine regulator
• Barrel with Maltese cross stop-work
• Variants:
  • 24 jewels, button at 11 h to set hands, indirect sweeping seconds built after Ulysse Nardin model
  • 22 jewels, button at 11 h to set hands, indirect sweeping seconds simplified construction, build from approx. 1956 to end of 1976.
  • 22 jewels, hands setting by crown, indirect sweeping seconds simplified construction, build from 1977 onwards.

• Listing ID: 12051
• Manufacturer / Brand: Poljot
• Caliber: 53303
• Size in French Lignes: 23 1/2''' (53 mm), height 12 mm
• Size range mm largest diameter: > 40 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: Right (0 - 120°)
• Shock Protection: None
• Beats per hour: 18,000
• Balance Type: Bimetallic Guillaume screw balance with Breguet hairspring
• Power Reserve: Approx. 40 hours
• Production Period: 1940 - at least Q4/2007
• Country: Russia
• Identification: Movement marked with Poljot logo and 53303.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)