Citizen U101
Lanco 24/1124
Equalling Swiss Pattern Precision Files Swiss pattern files are designed for detail work
8mm has an outer diameter of 8mm
date jumper spring
0505 Watch Mainspring 1.30 x 0.08 x 267 (10 1/2") (Calibers in description) Omega® 481 Citizen U101Dimensions: 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,