Longines® Dustproof Crown CN-LONG24 diameter 3.50 mm Height 1.00 - 1.24 Omega® Case Back Gasket (Round

Omega® Case Back Gasket (Round O-Ring) OM-088NS5085 (replacement for 0880811N

blue/purple

part number 075

The balance wheel is positioned so that the blade sits in between the roller and the staff

Flat Drilled Punch 2

Longines® Dustproof Crown CN-LONG24 diameter 3.50 mm Height 1.00 - 1.24 Omega® Case Back Gasket (RoundLongines Dustproof Crown CN LONG24 diameter 3. 50 mm steel, normal square with wings logo, diameter 3. 50 mm, height of crown only 2. 05 mm, tap 0. 90 mm, total height of crown including pipe 3. 20 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 crystals may devalue your watch.