Size 0, factory # 6094, width in mm 1.25, strength in mm 0.155, length inches 14-1/4, end D.B. Size 6, factory # 824, width in mm 1.9, strength in mm 0.18, length inches 17-1/2, end D.B. Width in mm 1.65, strength in mm '0.185, length inches 17-1/2, end D.B. & HOLEĮlgin 12 Size White Alloy Mainsprings JA-111ġ2 Size, factory # 2874, width in mm 1.6, strength in mm 0.185, length inches 20-1/4, end D.B. 0.165Įlgin 12 Size White Alloy Mainsprings JA-110ġ2 Size, factory # 2339/6093, width in mm 2.0, strength in mm 0.19, length inches 20, end D.B. Genuine Elgin Grade 571 Dura Power White Alloy Mainspring Str. Genuine Elgin Grade 571 Dura Power White Alloy Mainspring Stg. Size 16, factory # 6164, width in mm 2.9, strength in mm 0.19, length inches 24, end D.B. Size 16, factory # 817, width in mm 2.65, strength in mm 0.185, length inches 21-1/2, end D.B. Grade 208 is on of many Elgin 18 sizes grades taking this spring. Size 18, factory # 812, width in mm 2.9, strength in mm 0.23, length inches 21-1/2, end D.B. Size 18, factory # 812, width in mm, 2.9, strength in mm 0.22, length inches 21-1/2, end D.B. Genuine Elgin Blue Steel Mainspring 12 Size # 1712ġ2 Size, factory mainspring #1712, width in mm 2.23 strength in mm 0.19, length inches 20, end Double Brace We will then look up the serial number and send you the right mainspring. Just click order and in either the order instuction box, or the order comments box enter the serial number found stamped on the watch movement.

I have seen serial number information on American Watches posted on a few websites over the past five years.

Old time watchmakers had these books and sometimes they can be purchased at local AWI or NAWCC meeting. To find factory part number, which is listed for each spring listed you would need a serial number book as well as Elgin parts book by watch grade.

The mainsprings listed here are by factory part number for the spring and the measurements for those who have the gauge and skill to measure a spring. Mainsprings for American made Elgin watches can also be ordered at the bottom of the page by the serial number stamped on the movement.

Elgin serial number