Patek Philippe 23''300-401, Winding stem

• PATEK PHILIPPE genuine part, not in original packaging.

• Thread: 0.90 mm.

• Fits cal: 23''300, 23''300PM

Data Patek Philippe cal: 23''300, 23''300PM (adjustable stud carrier).

• 18 jewels, manual wind, hour and minute (seconds) display.
• S: = 22.70 mm.
• H: = 3.00 mm.
• N: = 19.800 A/h.
• Power reserve:
• Mainspring: Height: 0.97 mm, Length: 300 mm, Thickness: 0.108 mm.