Longines® Dustproof Crown CN-LONG39 diameter 4.25 mm LeCoultre® 17UOV The suspension spring attaches to

The suspension spring attaches to the post of this verge bridge

hour hole size 0

Height of barrel 20

die for crystals with loupe

21-02761 is purple

Longines® Dustproof Crown CN-LONG39 diameter 4.25 mm LeCoultre® 17UOV The suspension spring attaches toLongines Dustproof Crown CN LONG39 diameter 4. 25 mm yellow, normal square with wings and name logo, diameter 4. 25 mm, height of crown only 2. 00 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.