Longines® Undercut Crown diameter 4.50 mm 1005 Series Ronda to fit Omega® case numbers:

to fit Omega® case numbers: 1950022

to fit Kenneth Cole® REF 3447

This vise will hold any wrist watch securely in place while a case wrench is used to remove the case back

Felsa 781N

Longines® Undercut Crown diameter 4.50 mm 1005 Series Ronda to fit Omega® case numbers:Longines Undercut Crown diameter 4. 50 mm yellow, medium pipe, wings with name, diameter 4. 50 mm, height of crown only 1. 80 mm, tap 0. 90 mm, total height of crown including pipe 3. 05 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.