Brand S.E.F.E.A. Caliber 3-691 Size 6 3/4x8 Function Version Hands 0,60x1,10 Stem =3-69 Stem (subs.) Stem (2 pce) Balance staff =ST 69-21 Balance staff (subs.) Mainspring (subs.) 1,60x7,50x0,08 Mainspring (subs.) Battery