Patek Philippe 175-5443, Screw for setting lever

• Patek Philippe genuine screw, not in original packaging.

• Part no: 5,5 6A

• Fits all cal: 175, 177

Data: Patek Philippe cal: 177

• 18 jewels, manual wind, hour minute and sub second display.
• S: = 20.8 mm.
• H: = 1.75 mm.
• N: = 18.000 A/h.
• Power reserve: