0378 Watch Mainspring 1.20 x 0.09 x 240 (9 1/2 ")(Calibers in description) BFG® stopwatch (timer) hands 20mm and 22mm

20mm and 22mm

Made with left-handed threads (for left side of motor) and held to shaft by set screws

2 mm (2-1/4") (H) x 22

The indicator at the 3 o'clock position is a 24 hour counter

Specially designed for stringing ceramic

0378 Watch Mainspring 1.20 x 0.09 x 240 (9 1/2 ")(Calibers in description) BFG® stopwatch (timer) hands 20mm and 22mmDimensions: 1. 20 x 0. 09 x 240 (9 1 2 ") End Type: Tongue End Material: Swiss Made Unbreakable Fits Calibers: AS 487, AS 632, Bifora 910 1, Bifora 910, Bulova 6N, Bulova 6SN, Cortebert 302, Ebel 78, ETA 665, Favre Leuba 802, Felsa 780N, Felsa 781N, Felsa 781, Felsa 782N, Forster 309, Forster 611, Forster 620, Forster 622, Forster 630, Glycine 55, Gruen 480, Kasper 500, MST 475, MST 476, Zodiac 41