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Marco Mainspring #483 for Hamilton 6/0s Model 979 No. 2621 - Steel
Regular price $5.00Regular priceUnit price per -
Trufit Mainspring - Hamilton 7221 for 8/0s movements - Steel
Regular price $2.50Regular priceUnit price per -
Sandsteel Mainspring for Hampden 18s No. Factory No. 1696 - Steel
Regular price $12.50Regular priceUnit price per -
HR Mainspring SA506 for 16s NY Standard Factory No. 3349 / 3196 - Alloy
Regular price $10.00Regular priceUnit price per -
Waltham Mainspring for 12s No. 2224A / 2279 (EXACT) - Alloy
Regular price $10.00Regular priceUnit price per -
Bulova Factory Mainspring for caliber 10AK & 10BM made for military - Steel
Regular price $7.50Regular priceUnit price per -
Hamilton Factory Dynavar Mainspring for 12/0s No. 44431 - Alloy
Regular price $8.00Regular priceUnit price per -
KBK Mainspring #3808 for Elgin 18s No. 1956 - Steel
Regular price $8.00Regular priceUnit price per -
Hamilton Dynavar 14/0s Factory Mainspring #717441 - Alloy
Regular price $10.00Regular priceUnit price per -
HR Mainspring SA209 for 12s Hamilton No. 718071 / 1228 / 3028 - Alloy
Regular price $12.50Regular priceUnit price per -
HR Mainspring SA425 for 12s Illinois Factory No. 47344 - Alloy
Regular price $15.00Regular priceUnit price per -
HR Mainspring SA204 for 16s Hamilton No. 534B / 718050 - Alloy
Regular price $15.00Regular priceUnit price per -
HR Mainspring SA423 for Illinois 12s No. 47343 - Alloy
Regular price $12.50Regular priceUnit price per -
HR Mainspring SA715 for Waltham 16s Factory No. 2247 / 2268 - Alloy
Regular price $10.00Regular priceUnit price per -
Illinois Factory Mainspring No. 47326 for 16s Railroad Watches - Steel
Regular price $10.00Regular priceUnit price per -
Hamilton Dynavar 8/0s Factory Mainspring Factory No. 44433 - Alloy
Regular price $8.00Regular priceUnit price per -
Elgin Factory Mainspring for 18s No. 812 - Steel
Regular price $20.00Regular priceUnit price per -
Elgin Factory Mainspring for 18s Factory No. 1956 - Steel
Regular price From $12.50Regular priceUnit price per -
HR Mainspring SA223 for Hamilton 14/0s Factory No. 5021 / 718440 - Alloy
Regular price $10.00Regular priceUnit price per -
Elgin Factory Mainspring for 6s No. 824 - Steel
Regular price $10.00Regular priceUnit price per -
Hamilton Factory Mainspring for 12s Hamilton 17 Jewel No. 1228 or 3028 - Steel
Regular price From $4.00Regular priceUnit price per -
Elgin DuraPower Mainspring No. 6098 for 5/0s & 6/0s - Alloy
Regular price From $7.50Regular priceUnit price per -
BOREL Mainspring SA303 for 18s Hampden #1696 - Alloy
Regular price $15.00Regular priceUnit price per -
Sandsteel Mainspring for Illinois 16s Factory No. 47331 - Steel
Regular price $10.00Regular priceUnit price per
