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Exact reference

Longines Spirit Zulu Time 42 Black / Bracelet

L3.812.4.53.6 Historical / catalogued

Exact Fiduchron published execution

Case

Dimensions and fit

direct
Case length42 mm
Case width / diameter42 mm
Case thickness14.1 mm
Lug-to-lug49.4 mm
Lug widthNot recorded
Water resistanceNot recorded

The dimension basis is not currently recorded.

Open dimension source ↗
Movement

Calibre and mechanism

Automatic
CalibreL844.4
Normalized calibreL8444
GenerationLongines automatic L844.4 (COSC GMT)
Power reserve72 h
Open movement source ↗
Technical data

Conventional winding

Linked to sourced calibre programme
ApplicabilityRequired
DirectionBoth
TPD minimum650
TPD target700
TPD maximum800

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.