flat crystal
Will not twist off during active use
This premium alloy bezel insert uses a Seiko PC21 watch movement
allows you to fit watch hands without damaging the dial and the hands
Mixed Hole Brass Hand Washers come in an assortment of 144 pieces
Longines® Waterproof Crown CN-LONG50 thin square, short pipe, diameter 3.75 mm case vice flat crystalLongines Waterproof Crown CN LONG50 thin square, short pipe, diameter 3. 75 mm steel, thin square, short pipe with wings and name logo, diameter 3. 75 mm, height of crown only 1. 75 mm, total height of crown 2. 35 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