9”’ | Hand Wind | Swiss Lever | No Seconds |

Remarks:

• Base movement: modified Frédéric Piguet 21
• Movement family:
  • Patek Philippe 175: 18,000 bph
  • Patek Philippe 177: 21,600 bph
  • Patek Philippe 177 SQU: 21,600 bph, skeletonized

• Listing ID: 14623
• Manufacturer / Brand: Patek Philippe
• Caliber: 175
• Size in French Lignes: 9''' (20.8 mm, height 1.75 mm)
• Size range mm largest diameter: 0 - 22 mm
• Shape: Round
• Winding: Manual (Crown)
• Hands Setting: Crown
• Seconds Hand: None
• Escapement: Lever (Swiss, English, Glashütte)
• Date, Day, Month...: None
• Jewels: 18
• Setting Lever Screw/Pin Position: Left
• Balance Position: Left (240 - 360°)
• Holes in setting lever spring or rocking bar: > 6
• Shock Protection: KIF Parechoc
• Beats per hour: 18,000
• Balance Type: Free-sprung Gyromax beryllium-bronze
• Power Reserve: Approx. 36 hours
• Production Period: Unknown
• Country: Switzerland
• Identification: Movement marked with PATEK PHILIPPE and 175. Original datasheet available.
• Contributor ©: Unknown