0712 Watch Mainspring 1.40 x 0.11 x 305 (12") (Calibers in description) Eterna 1419 These have a single section

These have a single section of wire

Elgin® Steel Waterproof Crown CN-ELG07

Genuine Rolex® setting lever spring with screw

diameters 2

Sizes available:

0712 Watch Mainspring 1.40 x 0.11 x 305 (12") (Calibers in description) Eterna 1419 These have a single sectionDimensions: 1. 40 x 0. 11 x 305 (12") End Type: Tongue End Material: Swiss Made unbreakable Calibers: Angelus 250, 257, 258 Benrus BS Buren 432 Cortebert 688, 689, 696, 697, 698, 703 Elgin 878, 880, 893, 1010 Eterna 520, 520S Felsa 453, 456 Helbros 98m KF 73, 73A Lip D26 Moeris 11C Movado 10 1 2 ligne Omega 10 ligne 003, 10 ligne A Recta E, EA Standard Time (Vantage) 90, 91, 92, 412, 412A, 412B