0512 Watch Mainspring 1.30 x 0.09 x 215 (8 1/2") (Calibers in description) beading kits Yellow crown

Yellow crown

Includes 1/2"

part number 320

Assortment of 6 Cloth Inside Ring Shell with Mandrel - Box of 6 Comes with 6 assorted shells

Replacement Die Uppers 28/30mm Replacement Die Uppers are available in 4 sizes

0512 Watch Mainspring 1.30 x 0.09 x 215 (8 1/2") (Calibers in description) beading kits Yellow crownDimensions: 1. 30 x 0. 09 x 215 (8 1 2") End Type: Tongue End Material: Swiss Made blue steel Calibers: A. Michel 573, 577, 612, 613, 614, 615, 616, 617, 618 AS 874 Asco 7500 Aurore 17, 17A, 17T ETA 505, 506, 507, 508, 509, 545, 546, 547, 575, 576, 582, 583, 612 Freco 30, 35 MST 228, 241, 273, 274, 279, 298 Rayville 46 Record 75 Recta 9 3 4 E2 UT 161, 162, 163, 164, 166, 168, 170, 172