FHF 691 M6BrandFHFCaliber691 M6SizeFunctionVersionHandsStemStem (subs.)Stem (2 pce)Balance staffBalance staff (subs.)Mainspring (subs.)Mainspring (subs.)BatteryWatchpartsPart NocaliberdescriptionoriginalArtno.245691M6Cannon pignon sweep sec. H = 27092000245691M255669-21M6Datumstern- / Datumanzeiger- Mitnehmerrad92002556692255769-21M6date indicator92002557692255869-21M6Doubel-toothed hour wheel920025586922576FEF 6665M6Date jumper92002576FEF