“TP” is not an official Tudor/Rolex factory designation. It is a term coined by vintage collectors to distinguish the manual 2100 from the later automatic 9400 and the earlier 7032. You will not find “TP” stamped on the movement; rather, it refers to the configuration .
Are you performing a or an equalization cycle ? Charger 2100 TP Service Manual | PDF - Scribd tudor 2100 tp manual