HERMLE 781-800 Exploded diagram BrandHERMLECaliber781-800Clock versionMechanismVersionBatterySizeSizeMainspringMainspringMinuteHandHourhandMovementsArtno.brandcaliberSizehandsfunctionspecial. WatchpartsPart NocaliberdescriptionoriginalArtno.B021-PendelfederB021-00060070304B026-Zugseil cpltB026-01246800002601246