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Blancpain Ladybird
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MovementCalibre 615, in-house automatic
Diameter19 mm (current Lady B version)
Thickness13.20 mm
Water resistance30 m
Power reserve38-40 hours

Ladybird

Since 1956, the mechanical miniature with which Blancpain reinvented the women's watch

Model History

The Ladybird was born in 1956, at a time when high-end women's watchmaking was often treated as a simple piece of jewelry rather than a true mechanical instrument. Developed under the direction of Betty Fiechter — a pivotal figure in Blancpain's history, among the first women to lead a Swiss watchmaking manufacture — the model at the time housed what the brand presents as one of the smallest round mechanical movements ever made, enclosed in a case of remarkably compact dimensions for the standards of the era.

The choice of name, which in English refers to the ladybug, recalls both the small size and a certain decorative lightness, but behind its jewelry-like appearance lies a non-trivial technical effort: miniaturizing an entire automatic-winding movement without compromising its reliability requires specific construction solutions, very different from simply scaling down a men's calibre.

Over the decades the collection has been reinterpreted several times, up to the most recent generation presented on the occasion of the model's anniversaries — including the Lady B line, which revives the spherical, compact layout of the 1956 original while updating it with modern in-house calibres, silicon balance wheels and a range of dials and straps designed for a contemporary audience, while keeping the underlying idea intact: a small watch, but mechanically complete.

Technical Specifications

Movement
Calibre 615 (7135 base), automatic
Components
180, including 29 jewels
Frequency
21,600 vph, silicon balance wheel
Case
19 mm, steel or 18k red gold, two-part construction
Thickness
13.20 mm
Water resistance
30 m
Dial
Opaline, applied and laminated gold indices
Strap
Double-wrap calfskin leather, various colors

Main Executions

Lady B, steel caseOpaline dial, leather strap in a choice of colorscurrent production
Lady B, 18k red gold caseSame technical layout in a precious versioncurrent production
Ladybird ColorsVariants with colored Roman numerals on a mother-of-pearl dialperiodic editions
Fun Fact

Blancpain presents the 1956 Ladybird as fitted with one of the smallest round mechanical movements ever produced up to that point: a record that, according to available sources, held for a long time before being surpassed by even more miniaturized calibres, and one the brand still recalls as one of the most significant technical moments of its twentieth-century history.