Gruen winding split stem 510 female #404

AS 1714 ... watch movement part 404 female split winding stem

Wittnauer 10M ... watch part: female split winding stem #404

ETA 2451 2452 2454 2460 2472 2474 watch movement part 404 female split stem

Longines 340 Winding Stem (split/female) watch part #404

MST 371 372 male winding split stem for watch part #404

ETA 2510 2512 ... watch movement part female winding stem #404

Felsa 415 690 692 1560 ... watch movement part 404 female split winding stem