TT (Techno Time) 731BrandTT (Techno Time)Caliber731Size13 1/2FunctionSC-D(3)-AUTVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryMovementsArtno.brandcaliberSizehandsfunctionspecial158984TT (Techno Time)73111 1/2SC-D(3)-AUT