0505 Watch Mainspring 1.30 x 0.08 x 267 (10 1/2") (Calibers in description) Omega® 481 Equalling Swiss Pattern Precision Files

Equalling Swiss Pattern Precision Files Swiss pattern files are designed for detail work

diameter of wheel 10

Genuine Rolex® 59 part 440

8mm has an outer diameter of 8mm

0505 Watch Mainspring 1.30 x 0.08 x 267 (10 1/2") (Calibers in description) Omega® 481 Equalling Swiss Pattern Precision FilesDimensions: 1. 30 x 0. 08 x 267 (10 1 2") End Type: Tongue End Material: Swiss Made blue steel Calibers: Alpina 801 Benrus CB, W Bifora 84 Bulova 7BCAC Doxa 24, C14, 51 Durowe 60 EB 8140, 8141, 8142, 8144, 8145, 8147 ETA 760, 761, 762, 763, 764, 773, 838, 839, 840, 841, 846, 862, 879, 882, 1029, 1030, 1040, 1041, 1057, 1201, 1202, 1203, 1204, 1205, 1206, 1207, 1208, 1209, 1210, 1211, 1212, 1213, 1214, 1215, 2490, 2540, 2541, 2542, 2543, 2544, 2545,