H. & W. Perrin Co. Mainspring for Enicar 410, 412, 1000, 1002, ETA 785, 855 - Alloy

H. & W. Perrin Co LTD Super Le Roseau Mainspring for Enicar caliber 410, 412, 1000, 1002, ETA caliber 785, 855, Bulova caliber 4AE, 4AH, 10AN, 10AE, 10AT movements and likely others as well, alloy, new in envelope. See image for precise mainspring specifications and further details. H. & W. Perrin is the largest supplier of horological materials in Canada. Images do an adequate job of representing the item.