A. Lange & Söhne · Datograph
Datograph Up/Down
Ref. 403.035 — “Original Datograph”
discontinuedOriginal Datograph (L951.1)DocumentedLast reviewed Not yet reviewed
Missing informationCore fields not yet documented for this reference: Water resistance
Authentication Notes
Movement
HighHigh confidence
Hand-finished flyback with jumping minute counter
Expect a column wheel, hand-engraved balance cock, black-polished steel and a precisely-jumping (not creeping) chronograph minute hand. Rough finishing or a smart-creeping counter is inconsistent.
Inspection points
No inspection checklist has been published for this reference.