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Heuer Heuer Calculator Caliber 12 Calibre 12





spring bar ends stuck in case








old remnants of glass crystal left in case and covered in glue






luminous compound of supplied minute hand is broken




clutch spring missing

oscillating pinion missing

corrosion



































the winding-up wheel has a broken pivot



broken pivot drilled out with a 0.2mm end mill

turning a new pivot on the lathe

new pivot


new pivot fitted














hour recorder lever bent too far out

hour recorder lever position corrected