Longines® Waterproof Crown CN-LONG68 square, flush pipe, diameter 4.50 mm Omega® 47.7 NN Exclusive grit and backing are

Exclusive grit and backing are designed for jewelry applications and provide exceptionally long life

33 x 2006 (79")

barrel and cover to fit Jaeger LeCoultre® calibres: 12A

Seiko 5D44

bearing plate

Longines® Waterproof Crown CN-LONG68 square, flush pipe, diameter 4.50 mm Omega® 47.7 NN Exclusive grit and backing areLongines Waterproof Crown CN LONG68 square, flush pipe, diameter 4. 50 mm steel, square, flush pipe with wings and name logo, diameter 4. 50 mm, height of crown only 2. 20 mm, total height of crown 2. 20 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 crystals may