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403.035 vs 405.035

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Specification

A. Lange & Söhne

403.035

Datograph Up/Down

“Original Datograph”

A. Lange & Söhne

405.035

Datograph Up/Down

“Datograph Up/Down”

NicknameOriginal DatographDatograph Up/Down
Production1999–20122012–present
EraOriginal Datograph (L951.1)Datograph Up/Down (L951.6)
Statusdiscontinuedcurrent
Case diameter39mm41mm
Case materialPlatinumPlatinum
CrystalSapphireSapphire
Caseback typeDisplay (sapphire)Display (sapphire)
DialBlack (solid silver)Black (solid silver)
Dial configurationFlyback chronograph, outsize date, precisely-jumping minute counterFlyback chronograph, outsize date, power reserve ('Auf/Ab')
HandsRhodié—
MovementManual chronographManual chronograph
CaliberL951.1L951.6
ManufacturerA. Lange & SöhneA. Lange & Söhne
Windingmanualmanual
Power reserve—~60 hours
ComplicationsFlyback chronograph, outsize date, tachymeterFlyback chronograph, outsize date, power-reserve indicator