0667 Watch Mainspring 1.40 x 0.07 x 226 (9") (Calibers in description) Side Hook and many other materials

and many other materials

calibres: 138SS

The spindle type is simple

total diameter with the ring is 35

90 - measurement 58-110 - smooth shoulder L 210 - thread L 510 to fit Jaeger LeCoultre® calibres: 9RO

0667 Watch Mainspring 1.40 x 0.07 x 226 (9") (Calibers in description) Side Hook and many other materialsDimensions: 1. 40 x 0. 07 x 226 (9") End Type: Tongue End Material: Swiss Made unbreakable Calibers: AS 1677, AS 1735, AS 1736, AS 1777, Benrus AP, Benrus DZA, Benrus DZ2F, Benrus DZ4F1, Ebel 50, Ebel 56, Enicar 1503, Eterna 1437, FE 68, Kasper 1100, LIP SA T 0 13, Marvin 160, Omega 1070, PUW 1075, Recta M, Tissot 2400, Tissot 2401, Tissot 2403, Wyler WL123