5 3/4 x 6 3/4”’ | Hand Wind | Swiss Lever | No Seconds

Remarks:

• Movement family:
  • PUW 73: 18,000 bph, fixed hairspring stud-holder
  • PUW 74: 18,000 bph, movable hairspring stud-holder
  • PUW 1075: 21600 bph, movable hairspring stud-holder, jewels for center wheel
  • PUW 1075E: 21600 bph, movable hairspring stud-holder, cap jewels for escape wheel
  • PUW 1175: 21600 bph, movable hairspring stud-holder, simplified click

• Listing ID: 7991
• Manufacturer / Brand: PUW / Dugena
• Caliber: PUW 73 = Dugena 975
• Size in French Lignes: 5 3/4 x 6 3/4''' (5 1/2''' according to the manufacturer)
• Size range mm largest diameter: 0 - 22 mm
• Shape: Form
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: None
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 17
• Setting Lever Screw/Pin Position: Right
• Balance Position: Right (0 - 120°)
• Shock Protection: Trishock
• Beats per hour: 18,000
• Balance Type: Nickel
• Power Reserve: Approx. 40 hours
• Production Period: 1957+
• Country: Switzerland
• Identification: Dial side markede with PUW 73. Ratchet wheel marked with Dugena 975. Listed in the Flume K2 catalog from 1962.
• Contributor ©: Uhrforum.de member Badener (Andreas Kelz)