Blancpain Women: The Ladybird and the Ladies' Collection

The Blancpain Women collection centres on the Ladybird — a reference name for the brand's smallest round case watches — and extends across a range of complications designed in cases appropriate for smaller wrists. Blancpain's approach to ladies' watchmaking is to apply the same movement sophistication as the men's collections in scaled-down forms: the same tourbillons, perpetual calendars, and moonphases, built smaller.

The Ladybird — Origins in the 1950s

The Ladybird name comes from a reference produced by Blancpain in the 1950s — a small round ladies' watch that was among the smallest mechanical watches commercially produced. The original Ladybird measured approximately 21.7mm in diameter, housing a movement of around 17mm.

In the context of 1950s watchmaking, where most ladies' watches were essentially smaller men's movements in decorative cases, the Ladybird's movement miniaturisation was technically genuine: the calibre was designed from the beginning for the small case format, not adapted from a larger movement.

The name "Ladybird" (ladybug in American English) referenced the small round form of the insect — a common naming convention for miniature round watches in mid-century European watchmaking. The name was trademarked and has been maintained in the current collection.

Current Ladybird — Technical Specifications

The current Blancpain Ladybird (Ref. 0062) uses the Calibre 595 , a movement of extraordinary miniaturisation:

The micro-rotor — a small rotor embedded within the movement plane rather than rotating above it — is the technical key to the Ladybird's thinness. A standard automatic rotor protrudes above the movement and adds approximately 2mm to the total movement height. A micro-rotor, occupying the same plane as the movement, adds negligible height while providing automatic winding.

Micro-rotor designs require greater engineering effort: the rotor must be heavy enough to wind reliably (requiring dense material — platinum or tungsten) while small enough to fit within the movement perimeter. The Calibre 595's micro-rotor is in platinum.

Ladybird Complications — Moonphase and Complete Calendar

The Ladybird Moonphase (Ref. 3663A) adds a moonphase display to the 21.7mm case — building a complication into a watch case that many brands struggle to fit a simple time display.

The moonphase mechanism occupies a portion of the movement dedicated to a 59-tooth lunar wheel cycling through the 29.5-day lunar month. In a 21.7mm case, the integration of this mechanism alongside the automatic winding system represents exceptional miniaturisation.

The Ladybird Complete Calendar (Ref. 3663A) adds date, day, month, and moonphase — a complete calendar complication in the same 21.7mm case. This is technically among the most compact complete calendar mechanisms in commercial production.

Ladybird Colors — Coloured Enamel and Gemset

The Ladybird Colors editions introduce vivid enamel dials and diamond settings to the basic Ladybird architecture:

• Champlevé enamel dials: traditional enamel technique where metal is engraved and the recessed areas filled with enamel paste, fired, and polished flush
• Grand feu enamel : the highest-temperature enamel technique, producing the deepest colour saturation
• Diamond paving : cases set with brilliant-cut diamonds, with hand-selected stones matched for colour and clarity

These high-jewellery versions can exceed CHF 50,000 retail, placing them in the category of watch-as-jewel rather than instrument.

Blancpain Women — Beyond the Ladybird

The Women collection includes larger-cased references beyond the Ladybird:

Blancpain Women 29mm: A 29mm case with the Calibre 615 automatic, offering more dial space for complications while remaining compact. The 29mm case is offered in rose gold with diamond bezel.

Blancpain Women 33mm: Bridges the women's and unisex categories — a case size suitable for any wrist preference. Available with moonphase and complete calendar complications.

Léman Moonphase: The Léman (lake in French) collection sports a slightly larger case with a moonphase complication and rounded rectangular case — a less traditional, slightly more modern aesthetic than the Villeret or Ladybird.

Historical Context — Complications in Ladies' Watches

The convention in watchmaking through most of the twentieth century was to offer ladies' watches as simple time-only references, or with purely decorative complications. The assumption — not articulated but embedded in production decisions — was that precision complications were the domain of men's watches.

Blancpain's counter-position, maintained consistently through the 1983 revival and the subsequent development of the Women collection, is that a complication does not become simpler because the case is smaller. Building a tourbillon in a 25mm case is more demanding than building one in a 40mm case. The Women collection's complications are engineering achievements in their own right, not scaled-down afterthoughts.