Longines® Waterproof Crown CN-LONG56 thin square, flush pipe, diameter 4.00 mm clock nuts hole in the center of

hole in the center of the cutting wheel measures 10

Omega® 635

plus a date window at the 6 o'clock position

End Type: Tongue end

Material: Swiss Made blue steel *not in ring holder

Longines® Waterproof Crown CN-LONG56 thin square, flush pipe, diameter 4.00 mm clock nuts hole in the center ofLongines Waterproof Crown CN LONG56 thin square, flush pipe, diameter 4. 00 mm steel, thin square, flush pipe with wings and name logo, diameter 4. 00 mm, height of crown only 1. 85 mm, total height of crown 1. 85 mm, opening diameter to tube crown fits 2. 00 mm, tap 0. 90 mm * Perrin Supply Ltd is independent of and not affiliated with or sponsored by Longines. Longines warranty does not apply to parts supplied by Perrin Supply Ltd. Using generic