400 Day Clock Suspension Unit 66A LeCoultre® 12AD Genuine Omega® pressure spring for

Genuine Omega® pressure spring for seting lever

Available in 2 degrees of grit

Available in a Cut 6

ETA (ESA) 901

45 mm (thick) round magnifying type mineral crystal

400 Day Clock Suspension Unit 66A LeCoultre® 12AD Genuine Omega® pressure spring for400 Day Clock Suspension Unit 66A can be identified in the Horolovar 400 Day Repair Guide. To decipher what type of suspension unit is needed you must first identify the back plate of a 400 day clock using the Horolovar 400 Day Repair Guide. To be used for Koma Miniature 80 Quartz. A B Total Length 40 mm 12. 5 mm 64. 5 mm Note: Please see enlarge image for measurement explanation.