TISSOT 2031 Brand TISSOT Caliber 2031 Size 13 Function Version Hands 0,90x1,50 Stem 5444 Stem (subs.) Stem (2 pce) Balance staff Balance staff (subs.) Mainspring (subs.) Mainspring (subs.) Battery Watchparts Part NocaliberdescriptionoriginalArtno.136Stem cock988001362031227BSweep second pinion0227-2031988002272031262 /1BMinute wheel988002622031401Winding stem8025444435BYoke spring988004352031443BSetting lever9880044320314000Electronic module025998