ZENITH 054 BrandZENITHCaliber054Size5 1/2Functiono. SCVersionHands0.55x1.00Stem5072Stem (subs.)Stem (2 pce)5072 WDBalance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)Battery364MovementsArtno.brandcaliberSizehandsfunctionspecial161250ETA976.0015 1/20.55x1.00o. SCH1= 0.85161855RONDA751E5 1/20.55x1.00o. SCH1= 0.95161854RONDA751E5 1/20.55x1.00o. SCH0= 0.80161856RONDA751E5 1/20.55x1.00o. SCH3= 1.55161857RONDA751E5 1/20.55x1.00o. SCH4= 2,55