Omega 085ST0056 Clasp Lock Spring Fits Various Models... 13x20mm. Generic Omega Clasp Lock Spring Height: 13mm Width: 20mm Wire diameter:Ø0.70mm Fits Various Models: Titanium bracelet clasp 1504/826, 1523/825, 1623/993, 1997/998, 1998/998. Steel bracelet clasp 1471/815, 1620/887, 1621/990, 1957/957, 1958/957, 1958/989, 1998/840, 1998/849, 1998/998. Here are some other clasps which use this spring: 18 kt gold 1622/977, 1957/957, 18 kt white 1957/957, 18 kt red gold 1622/977, 1957/957, steel red gold 1622/977.
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