singly Products namemanufacturecalibrethread Øreplaceabilityitem No.winding stemsOmega4800.90 mm481-4858025429winding stemsOmega5500.90 mm551-552,560-5628025806winding stemsOmega5630.90 mm564-565, 750-7528025814winding stemsOmega6000.90 mm601,602,610,6118025807winding stemsOmega6200.90 mm670-672,625,630,635,680-6858025020winding stemsOmega8601.00 mm861,910,9308026328winding stemsOmega10100.90 mm1011-1012, 1020-1022,1030,10358024505winding stemsOmega10450.90 mm8026340