Vintage NOS Omega Cal. R-13.5 R13.5 Winding Stem Swiss Made

Ronda - Valjoux 13" 77 - (1) Winding Stem - NOS - W/O Original Package

Ronda - Omega R-13.5 (Pas 100) - (1) Winding Stem - NOS - W/O Original Package

Concord 334F 344F Balance Staff watch part #100/1346 one staff

Vintage NOS Omega Cal. R-17.8. R17.8 Winding Stem Swiss Made

Ronda - Omeg 23.4 (1) Winding Stem - NOS - W/O Original Package

Ronda - Omega 36.5, 140 & 141 - (1) Winding Stem - NOS - W/O Original Package

Ronda - Doxa 17 " 20/12 (1) Winding Stem - NOS - W/O Original Package