0487 Watch Mainspring 1.30 x 0.065 x 260 (10 1/4") (Calibers in description)

Dimensions:  1.30 x 0.065 x 260 (10 1/4")

End Type: Tongue End

Material: Swiss Made unbreakable

Calibers: 

Bulova 3AC, 3AE, 3AH
Benrus P
Concord 489
Doxa 1
Elgin 481
FHF 59, 59N, 59-21, 79, 81, 84, 99, 101, 591-21, 592, 593
GP 76
Helbros 33
Silvana 3059
Wittnauer 3A
Zodiac 14