A. Lange & Söhne 1815 401.026

39.5mm · White Gold · Caliber L951.0

1815 Chronograph White Gold

Brand: A. Lange & Söhne
Full reference: 401.026
Also written as: 401026
Collection: 1815
Case diameter: 39.5mm
Case thickness: 10.8mm
Lug width: 20mm
Case material: White Gold
Crystal: Sapphire
Caliber: L951.0
Dial color: Silver

Other 401 variants

Same base reference with a different dial, bracelet or market code.

A. Lange & Söhne

1815

401.031

39.5mmPink Gold

Related references — same collection

Shared specifications help discovery; these links do not assert a predecessor or successor relationship.

A. Lange & Söhne

1815

823.029

39.5mmWhite Gold

A. Lange & Söhne

1815

823.042

39.5mmWhite Gold

A. Lange & Söhne

1815

402.026

39.5mmWhite Gold

A. Lange & Söhne

1815

414.026

39.5mmWhite Gold

Compare specifications

Specification	401.026	823.029	823.042	402.026	414.026
Case diameter	39.5mm	39.5mm	39.5mm	39.5mm	39.5mm
Case material	White Gold	White Gold	White Gold	White Gold	White Gold
Movement	—	—	—	—	Manual
Caliber	L951.0	L951.0	L951.0	L951.5	L951.5
Power reserve	—	—	—	—	60 hours

Sources & record notes

Displayed specifications follow the most complete source record. Other source records are retained below; conflicting values are not silently combined. WatchBase.

WatchBase ↗ · 2026-09-21 15:26:06 JST

WatchBase · A. Lange & Söhne 401.026

Original collection: 1815

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