SHIOJIRI VB20 Exploded diagram Brand SHIOJIRI Caliber VB20 Size 3 3/4 Function o. SC Version Hands 0.45x0.90 Stem 351-208 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery MovementsArtno.brandcaliberSizehandsfunctionspecial160964SHIOJIRIVB203 3/4x80.45x0.90o. SC160928HATTORY-SEIKO2E204 3/40.45x0.90o. SC