The Rado True Thinline | family history
The True Thinline is where Rado's ceramic manufacturing expertise and the ultra-thin category intersect. A 5mm case height in high-tech ceramic is technically demanding: ceramic is brittle, and thin ceramic cases require precise manufacturing tolerances to avoid fracture. The True Thinline Les Couleurs edition, developed in collaboration with the estate of Le Corbusier, applies plasma high-tech ceramic in a color vocabulary drawn from the architect's palette. It is a serious piece of design at an accessible price.
Rado's ultra-thin all-ceramic dress collection. The True Thinline Automatic measures 5.0 mm case height in a 40 mm high-tech ceramic case with integrated ceramic bracelet, one of the thinnest automatic watches on the market with a fully ceramic exterior. High-tech ceramic provides hardness close to sapphire, near-zero weight, and a matte finish that is impervious to polish.
2013–2019 · True Thinline foundation
The True Thinline launched in 2013 as Rado's ultra-thin ceramic dress watch. The first references established the proportional vocabulary: round case, integrated ceramic bracelet, 5mm case height, no date complication to interrupt the dial. The aesthetic is closer to Bauhaus minimalism than traditional Swiss dress watch design; the absence of applied indices and the flat dial surface reinforce the material story.
No references from this era in the catalog yet.
2019–present · Les Couleurs and plasma ceramic
The True Thinline Les Couleurs Le Corbusier edition (2019) is the family's design statement piece: 32 colors drawn from Le Corbusier's 1931 polychromie architecturale palette, each in plasma high-tech ceramic. Plasma ceramic is produced by heating ceramic in a plasma furnace, which changes its color from white to varying greys and near-blacks at the surface. The Les Couleurs editions extend this to the full Corbusier color range through different ceramic formulations.
How to read this family
Two honest questions for any True Thinline buyer:
- Is the True Thinline a practical watch for daily wear? At 5mm case height and in ceramic, the True Thinline is a dress-and-desk watch rather than a field or sports watch. The integrated ceramic bracelet is not resizable at home. For buyers who want the most versatile single watch, the True Thinline is not it. For buyers who want a slim, scratch-resistant dress watch that slips under a shirt cuff without a lump, it is the correct tool.
- True Thinline versus a Piaget Altiplano at similar thickness? The Piaget Altiplano is a prestige metal thin watch in a different price and collector category. The True Thinline is a ceramic watch at a fraction of the price. They are not competing for the same buyer. The True Thinline makes sense for a buyer who values scratch resistance and design over provenance and precious metal.
Related families: Rado DiaStar · Piaget Altiplano
References in this family
Which ref to buy
The True Thinline is Rado's ultra-thin ceramic watch. Rado is the brand most associated with high-tech ceramic in watchmaking -- they began using it in 1986. The True Thinline is the thinnest automatic in ceramic, with a full monoblock ceramic case.
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True Thinline Automatic -- ceramic ultra-thin, Rado's genuine material expertise, the watch the brand does best.
- The case for it:
- Rado has been doing ceramic cases longer than anyone. The True Thinline in ceramic is scratchproof, lightweight, and hypoallergenic. For buyers who want ceramic, Rado is the most credible maker at this price. The thin profile makes it a serious dress watch alternative.
- Consider instead if:
- Ceramic cannot be polished once scratched; chips are permanent. For a dress watch that will see daily wear and occasional contact, a polishable steel case is more forgiving over a decade.
Rankings last reviewed 2026-06-07. Editorial perspective only. Not financial advice.