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Hamilton

  • Hamilton 992B mainspring

    Hamilton 992B 16 Size Mainspring

    Hamilton 16 Size  992B Swiss made self lubricating mainspring.  This has a special bridle end mainspring. 992B has been manufactured with different size mainsprings. Please compare the sizes.   Height 3.00mm Width  1.55mm length...

    $28.00
  • Hamilton 992B mainspring

    Hamilton 992B 317 16 Size Mainspring

    Hamilton 16 Size 317 and 992B Swiss made self lubricating mainspring.  This is a T end mainspring. 992B has been manufactured with different size mainsprings. Please compare the sizes.   Height 2.80mm Width  0.17mm length 540mm barrel...

    $28.00