0662 Watch Mainspring 1.40 x 0.065 x 220 (8 1/2") (Calibers in description) Rolex® 1166 battery and pendulum are not

battery and pendulum are not included

Koma Standard 52

Holders for Balance Screws 0

part number 10027

fits most 22

0662 Watch Mainspring 1.40 x 0.065 x 220 (8 1/2") (Calibers in description) Rolex® 1166 battery and pendulum are notDimensions: 1. 40 x 0. 065 x 220 (8 1 2") End Type: Tongue End Material: Swiss Made unbreakable Calibers: Alpina 820, AS 976, AS 986, AS 990, AS 1022, AS 1026, aS 1057, AS 1079, AS 1246, AS 1273, AS 1406, AS 1489, AS 1676, Benrus Q, Bulova 5AL, Doxa 12, Doxa 60, Elgin 815, Elgin 892, Enicar 140, Enicar 141, Enicar 3210, Enicar 672, Enicar 677, Enicar 678, ETA 875, ETA 880, Femga 45, Femga 67, FHF 130, FEF 430, FEF 431, FEF 432, FEF 433, FEF 434, FEF