Benrus CR CY Set Spring Yoke Spring watch part #440/673 (3-pack)

Hamilton 571 671 871 Click Spring watch part #430/152 (3 piece)

ETA 1081 1093 (1100 Leonida/Zodiac) Click Spring watch part #430/152 (3 piece)

Waltham 663 Set Spring Yoke Spring watch part #440/673 (3-pack)

AS 1580 Yoke Spring Set Spring Clutch Lever Spring watch part #440/544 (3-pack)

Unitas 540 541 543 550 551 Set Spring Yoke Spring watch part #440/673 (3-pack)

Cupillard 55 55A Set Spring Yoke Spring watch part #440/733 (3-pack)

ST Standard 1800 Yoke Set Spring watch part #440/884 (3-pack) "SEE INTERCHANGE"