Bettlach EB 8816 13.5”’ manual wind sub second 1/17/21 jewels f = 18000 A/h power reserve 38h Spares might be available for this movement. Please contact us for availability. Related posts: Bettlach EB 8460, Bettlach EB 8461 Bettlach EB 8501, Bettlach EB 8503, Bettlach EB 8511, Bettlach EB 8513 Bettlach-EB 8816 Watch Mainspring NOS