Genuine Omega® dial screw, part number 157, fits Omega® 20, Omega® 20 NN, Omega® 21 NN, Omega® 47.7 mm NN

Genuine Omega® dial screw, part number 157, fits Omega® 20, Omega® 20 NN, Omega® 21 NN, Omega® 47.7 mm NN

* Perrin Supply Ltd is independent of and not affiliated with or sponsored by Omega®. Omega® warranty does not apply to parts supplied by Perrin Supply Ltd.