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Swartchild Black Shield Mainspring #440512 for Elgin 4/0s No. 4789 - Steel
Regular price $4.00Regular price -
Swartchild Black Shield Mainspring #440563 for Elgin 8/0s Factory No. 5219 - Steel
Regular price $3.00Regular price -
Swartchild Black Shield Mainspring #440791 for 16s South Bend No. 17528 - Steel
Regular price $8.00Regular price -
Swartchild Black Shield Mainspring #44321 for Elgin 37s 8-Day Clock Factory No. 4457 - Steel
Regular price $10.00Regular price -
Swartchild Black Shield Mainspring #481694 for Omega Caliber 19L - Steel
Regular price $20.00Regular price -
Swartchild Black Shield Mainspring #48503, 2.00 x .11 mm x 12½" - Steel
Regular price $6.00Regular price -
Swartchild Black Shield Mainspring #B4391 for 16s Trenton No. 344 - Steel
Regular price $7.50Regular price -
Swartchild Black Shield Mainspring 4330 for Waltham 16s Factory No. 2218 - Steel
Regular price $10.00Regular price -
Swartchild Black Shield Mainspring 4330A for Waltham 16s Factory No. 2227 - Steel
Regular price $10.00Regular price -
Swartchild Black Shield Mainspring 4372B for Hamilton 16s No. 534 - Steel
Regular price $7.50Regular price -
Swartchild Black Shield Mainspring 4396E for Crown (NY Standard) 3/0s No. 1323 - Steel
Regular price $5.00Regular price -
Swartchild Black Shield Mainspring 4402 or 16s E. Howard Factory No. 55 - Steel
Regular price $10.00Regular price -
Swartchild Black Shield Mainspring 4402¾ for Howard 12s No. 552 - Steel
Regular price $4.00Regular price -
Swartchild Black Shield Mainspring 440641 for 12s Hampden No. 12696 - Steel
Regular price $4.00Regular price -
Swartchild Black Shield Mainspring 440741 for Hamilton 16s No. 534B - Steel
Regular price $10.00Regular price -
Swartchild Black Shield Mainspring 440751 for Hamilton 12s No. 6021 - Steel
Regular price $3.50Regular price -
Swartchild Black Shield Mainspring 44095 for Illinois 6/0s No. 47370 - Steel
Regular price $5.00Regular price -
Swartchild Black Shield Mainspring 44128 for Howard 10s Factory No. 796 - Steel
Regular price $4.00Regular price -
Swartchild Black Shield Mainspring for 12s Hampden No. 6696 - Steel
Regular price $4.00Regular price -
Swartchild Black Shield Mainspring for 12s Hampden No. 7696 - Steel
Regular price $5.00Regular price -
Swartchild Black Shield Mainspring for 12s N.Y. Standard Model K No. 4284 - Steel
Regular price $5.00Regular price -
Swartchild Black Shield Mainspring for 12s N.Y. Standard No. 4144 - Steel
Regular price $5.00Regular price -
Swartchild Black Shield Mainspring for 12s Rockford No. 932 - Steel
Regular price $10.00Regular price -
Swartchild Black Shield Mainspring for 16s Rockford No. 822 - Steel
Regular price $12.50Regular price
