RONDA 503 Exploded diagram BrandRONDACaliber503Size10 1/2FunctionSCVersionHands0.70x1.20x0.20Stem=515 (eigen)Stem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)Battery371MovementsArtno.brandcaliberSizehandsfunctionspecial166860RONDA50310 1/20.70x1.20x0.20SC WatchpartsPart NocaliberdescriptionoriginalArtno.242= 505Cannon pignon with driver3305.171 CO98200242505250Bhour wheel H2= 2.103301.23098200251503250Bhour wheel H2= 2.103301.23098200251503401= 515Winding stem98200401515450= 502Setting wheel982004505024060= 505Coil -red3621.033982040605054400 / 4402= 505 + 773Battery connection (-)3601.07898204400505.Main plate2000.533.SM.N.LC.Train wheel bridge2020.096.M01.Center bridge2030.014.CO.Electronic module cover2130.114.M0198204401502.Maintaining plate2130.115.Stem extension S0.903000.040.Stem (extractable version) L20.5mm3000.163.Working stem L20.5mm3000.164.CO98200401515.Stem (normal) L20.5mm3000.16498200401515.Stem (normal) L32.5mm3000.17198200401516.Stem (extractable version) L32.5mm3000.196.Sliding pinion3001.054.FI.Setting wheel3004.160.TA98200450502.Minute wheel3007.057.CO.Yoke3015.059.Setting lever3017.04698200443502.Third wheel3122.043.CO98200210505.Second wheel (Aig.)3136.194.CO.Intermediate wheel3147.092.CO.Hour wheel (Aig.)3301.229.TA.Cannon pinion (Aig.)3305.171.CO98200242505.Working hand3311.018.Friction spring3315.001.Battery 371 (Ø 9.50 x 2.05)3600.015.HGF.Contact strip (-)3601.07898204400505.Battery insulator3603.03498204015505.Setting mechanism cover3603.039.Electronic module3612.198.RK98204000505.Coil3621.033.RK98204060505.Stator3622.032.Rotor3715.144.RK98204211503.Screw4000.102.Screw4000.141.Screw4000.266.Screw4000.279.Screw4000.284.Screw4000.285