Brand SELLITA Caliber 261-1 Size 11 1/2 Function SC-D(3)-SS(6)-AUT Version 28.800 Hands 1,50x0,90x0,25 Stem 7341 Stem (subs.) Stem (2 pce) Balance staff 27619 Balance staff (subs.) Mainspring (subs.) 1.23x10.5x0.132 AUT Mainspring (subs.) 98000771200 (ETA 2824-1) Battery