Genuine Omega® click spring, part number 1105, fits Omega® 590, Omega® 591 Omega® 1151 part number 1235

part number 1235

Not included with the Ollie Baker style mainspring winder are the letdown chucks

Jaeger-LeCoultre® Assortment of 6 Cork Crown Gaskets for Inside Crown Recess CN-LC42

please choose the option best suited for your needs

Letdown Key is a specially designed key for disarming and arming (winding) clock mainsprings

Genuine Omega® click spring, part number 1105, fits Omega® 590, Omega® 591 Omega® 1151 part number 1235Genuine Omega click spring, part number 1105, fits Omega 590, Omega 591 * 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.