Exact reference

A. Lange & Söhne LANGEMATIK - 308.027

308.027 Historical / ownership-only

Licensed benchmark ownership-only historical identity

Case

Dimensions and fit

direct

Case length37 mm

Case width / diameter37 mm

Case thickness9.7 mm

Lug-to-lugNot recorded

Lug widthNot recorded

Water resistanceNot recorded

The dimension basis is not currently recorded.

Open dimension source ↗

Movement

Calibre and mechanism

Automatic

Calibre921.4

Normalized calibre9214

GenerationNot recorded

Power reserveNot recorded

Open movement source ↗

Technical data

Conventional winding

Linked to sourced calibre programme

ApplicabilityRequired

DirectionBoth

TPD minimum500

TPD target500

TPD maximum500

Conventional winding fields are evidence-linked reference data. They are separate from any device-specific axial-control profile.

Open winding source ↗

Market context

Market-value disposition

Date not recorded

No exact-reference public market estimate has been admitted for this record.

Market observations are separate from manufacturer specifications and are not used to fill technical gaps.

Provenance

Evidence and review

2026-08-26

Existing governed 921.4 profile supplies Both 500-500 TPD (target 500); applied to this exact stated calibre. Source publishes a target only, so min/max are transparently normalized to target.

Model sourcehttps://fiduchron.com/watches/a-lange-sohne/langematik-308-027
Movement sourcehttps://watch-winder.store/watch-winding-table/a__lange___soehne/
Winding sourcehttps://watch-winder.store/watch-winding-table/a__lange___soehne/
Dimension sourcehttps://fiduchron.com/watches/a-lange-sohne/langematik-308-027

Record audit details

Canonical ID: CAN-F75CD20F40720177
Registry ID: ALS-OWN-80DDED821D2E
Source rank: Existing A. Lange & Söhne exact-calibre profile reused
Verification: movement_and_winding_checked; exact_calibre_profile_reused; target_only_normalized
Source rows: 1