Longines 22A-5415, Screw for ratchet wheel

• LONGINES original screw from a NOS movement.
  

• Fits cal: 22A, 22AS, 22AN
  

Data: Longines 22A

• 17 jewels, automatic winding, sub second.
• Size: 13'''  28,80 mm.
• H: = 5,65 mm.
• N: = 18.000 A/h.
• Power reserve: 42 h.

Versions:

• 22L:    manual wind, sub second, D=21,50 mm.
• 22N:    manual wind, center second, D=21,50 mm.
• 22LS:   maual wind, center second, mod, D=21,50 mm.
• 22A:     automatic wind, sub second.
• 22AN:   automatic wind, center second, H=6,65 mm.
• 22AS:   automatic wind, center second, modifications, H=6,65 mm.