JAEGER LE COULTRE ATMOS CLOCK COIL SPRING WITH GUIDE GOOD FOR ATMOS CLOCK 
COMPLETE SPRING PARTS ITEM # 3494 SPRING GUIDE ITEM # 3493
GREAT USED CONDITION I AM NOT AN EXPERT PLEASE LOOK AT THE PICTURE SO YOU UNDERSTAND WHAT IT COMES WITH. AGAIN THIS LISTING IS SOLD AS IS WITH NO RETURN. IF ANY QUESTIONS PLEASE FEEL FREE TO ASK.