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Rolex 1530-7877, Screw for ratchet wheel, generic

Rolex 1530-7877, Screw for ratchet wheel, generic

Tax included.
  • Swiss made Rolex generic part.
  • 1 pcs.
  • Fits cal: 1520, 1525, 1530, 1535, 1555, 1556, 1560, 1565, 1570, 1575, 1580

Versions with 18000 Alt./h  (1957 - 1965).

  • 1530:          N=18000, free sprung, screw balance, H= 5,75 mm.
  • 1535:          N=18000, free sprung, screw balance, date, H=6,3 mm.
  • 1555:          N=18000, free sprung, screw balance, day, date, H=7,03 mm.
  • 1560:          N=18000, free sprung, screw balance, H=5,75 mm.
  • 1565:          N=18000, free sprung, screw balance, date, H=6,3 mm.
  • 1565 GMT:   N=18000, free sprung, screw balance, date, 24h, H=6,47 mm.

Versions with 19800 Alt./h  (1965 - 1978).

  • 1520:          N=19800, flat balance ring, Breguet hairspring, H= 5,75 mm.
  • 1525:          N=19800, flat balance ring, Breguet hairspring, date, H=6,3 mm.
  • 1556:          N=19800, free sprung, screw balance, day, date, H=7,03 mm.
  • 1570:          N=19800, free sprung, screw balance, H=5,75 mm.
  • 1575:          N=19800, free sprung, screw balance, date, H=6,3 mm.
  • 1575 GMT:   N=19800, free sprung, screw balance, date, 24h, H=6,47 mm.
  • 1580 M        N=19800, free sprung, screw balance, Antimagnetic, H=5,75 mm.