12 1/2”’ | Battery | Electronically Controlled Balance Motor | Sweeping Seconds |

Remarks:

• Hacking seconds
• Triovis micrometer regulator
• Slider for removing the winding stem
• Battery type: Eveready 77 (original), 303, V303, LR44 (replacements)
• Movement family:
  • PUW 2500: no date
  • PUW 2501: date
  • PUW 2502: date, day
  • PUW 2508: date, special regulator accessible through opened battery cabinet
  • PUW 2509: date, day, special regulator accessible through opened battery cabinet

• Listing ID: 17434
• Manufacturer / Brand: PUW
• Caliber: 2500
• Size in French Lignes: 12 1/2'''
• Size range mm largest diameter: 22 - 31 mm
• Shape: Round
• Winding: Battery
• Hands Setting: Crown
• Seconds Hand: Sweeping seconds (central seconds)
• Escapement: Electro-mechanical
• Date, Day, Month...: None
• Jewels: 7
• Setting Lever Screw/Pin Position: Right
• Balance Position: Bottom (120 - 240°)
• Shock Protection: Incabloc
• Beats per hour: 28,800
• Balance Type: Unknown Material
• Power Reserve: Unknown
• Production Period: 1971+
• Country: Germany
• Identification: Movement marked with PUW. Original datasheet available for PUW 2501, 2502, 2508, 2509.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)