The Ceramic Field Guide

Rado True Round Thinline Les Couleurs Le Corbusier (spectacular ultramarine 4320K)

R27092622

The Rado True Round Thinline Les Couleurs Le Corbusier (spectacular ultramarine 4320K) is a current-production dress watch with a blue high-tech ceramic case. It is priced under the $2,800 median for the category. It ships on a matching ceramic bracelet rather than a strap.

All Rado watchesCeramic dress watchesBlue ceramicOn a ceramic braceletUnder $5,000
Price
$2,400
Ceramic
High-tech ceramic
Weight
80 g (with bracelet)
Water resistance
30 m
Reference
R27092622
Type
Dress
Case diameter
39.0 mm
Thickness
5 mm
Origin
Switzerland
Movement
Quartz
Caliber
R420
Complications
Time only
Colour
Blue
Construction
Monobloc
Caseback
Titanium
Nickel-free
Not verified (clasp or buckle material not confirmed)
Bracelet / strap
Ultramarine blue high-tech ceramic bracelet with a titanium clasp
Ceramic bracelet
Standard
Crystal
Sapphire
Display back
No
Dial
Ultramarine blue
Dial colours
Blue
Availability
Offered
Status
Current (limited edition of 999)
Not published
Lug-to-lug, Power reserve, Hardness, Surface treatment, Lume
Medium confidence Verified Jul 2026 Source: Rado US (maker)
Facts are free to cite with a link.
See it in the interactive guide

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Alternatives to the Rado True Round Thinline Les Couleurs Le Corbusier (spectacular ultramarine 4320K)

Echo/Neutra Averau 42 Ceramic ChronoEcho/NeutraAverau 42 Ceramic Chrono$2,13042.0 mm14.6 mm thickChronographsimilar price · similar sizeCIGA Design Mechanical Series U Blue Planet II Gilded AgeCIGA DesignMechanical Series U Blue Planet II Gilded Age$1,99946.0 mm15.2 mm thickOthersimilar priceMichel Herbelin Newport CeramiqueMichel HerbelinNewport Ceramique$2,15043.0 mm9.05 mm thickOthersimilar priceD1 Milano Ceramica 37mm Pure WhiteD1 MilanoCeramica 37mm Pure White$47537.0 mm8.6 mm thick112 gOthersimilar size · same movementD1 Milano Ceramica 37mm Pure BlueD1 MilanoCeramica 37mm Pure Blue$47537.0 mm8.6 mm thick112 gOthersimilar size · same movementD1 Milano Ceramica 37mm Pure GreenD1 MilanoCeramica 37mm Pure Green$47537.0 mm8.6 mm thick112 gOthersimilar size · same movement

More ceramic watches from Rado

RadoCaptain Cook High-Tech Ceramic 43mm$2,80043.0 mmDiver
RadoTrue Square Automatic (black)$2,45038.0 mm9.6 mm thick117 gDress
RadoTrue Square Automatic (plasma)$2,45038.0 mm9.7 mm thickDress
RadoTrue Square Automatic (green)$2,45038.0 mm9.6 mm thickDress
RadoTrue Square Automatic Open Heart (rose)$2,95038.0 mm9.7 mm thick116 gDressRado True Round Automatic Open Heart (black)RadoTrue Round Automatic Open Heart (black)$3,04040.0 mmDress

Frequently asked questions

What kind of ceramic is the Rado True Round Thinline Les Couleurs Le Corbusier (spectacular ultramarine 4320K)?

The Rado True Round Thinline Les Couleurs Le Corbusier (spectacular ultramarine 4320K) has a blue high-tech ceramic case with a titanium caseback. It is recorded at medium confidence pending a maker-stated type.

What size is the Rado True Round Thinline Les Couleurs Le Corbusier (spectacular ultramarine 4320K)?

It is 39.0 mm in diameter, 5 mm thick, and water resistant to 30 m.

How much does the Rado True Round Thinline Les Couleurs Le Corbusier (spectacular ultramarine 4320K) weigh?

About 80 g (w/ bracelet).

How much does the Rado True Round Thinline Les Couleurs Le Corbusier (spectacular ultramarine 4320K) cost, and is it available?

It is current-production and lists from $2,400.

All ceramic Rado watches · Ceramic dress watches · All 231 watches

Learn: Best Ceramic Watches · Best Under $5,000 · Is It Worth It? · Color Guide