Longines® Dustproof Crown CN-LONG32 diameter 4.00 mm LeCoultre® 413 #128 Suspension Spring relative to

#128 Suspension Spring relative to the image

Stainless steel 2

3/32" mandrel diameter

Generic (not original) cannon pinion

Omega® 561

Longines® Dustproof Crown CN-LONG32 diameter 4.00 mm LeCoultre® 413 #128 Suspension Spring relative toLongines Dustproof Crown CN LONG32 diameter 4. 00 mm steel, low square with wings and name logo, diameter 4. 00 mm, height of crown only 1. 60 mm, tap 0. 90 mm, total height of crown including pipe 2. 30 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.