AS 1677 5.75 x 6.75”’ Dm= 13 x 15.2mm H= 3.6mm 17 jewels f = 21600 A/h power reserve 44h Spares might be available for this movement. Please contact us for availability. Related posts: A Schild – AS Calibre 1677 Watch Mainspring NOS A.Schild-AS 1240 AS 2160