The Wristwatch Field Guide

Rado True Round Thinline Les Couleurs Le Corbusier (powerful orange 4320S)

R27095652

The Rado True Round Thinline Les Couleurs Le Corbusier (powerful orange 4320S) is a current-production dress watch with a high-tech ceramic case. At 80 g it sits around the middle for dress watches in the guide, and is priced well above the $643 median for the category. It ships on a matching exotic-material bracelet rather than a strap.

All Rado watchesExotic-material dress watchesCeramicUnder $5,000
Price
$2,400
Material
Ceramic
Grade / type
High-tech ceramic
Weight
80 g (with bracelet)
Water resistance
30 m
Reference
R27095652
Type
Dress
Case diameter
39.0 mm
Thickness
5 mm
Origin
Switzerland
Movement
Quartz
Caliber
R420
Complications
Time only
Colour
Other
Construction
Monobloc
Caseback
Titanium
Nickel-free
Not verified (clasp or buckle material not confirmed)
Bracelet / strap
Powerful orange high-tech ceramic bracelet with a titanium clasp
Matching bracelet
Standard
Crystal
Sapphire
Display back
No
Dial
Powerful orange
Dial colours
Orange
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.
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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 gDress

Frequently asked questions

What is the case material of the Rado True Round Thinline Les Couleurs Le Corbusier (powerful orange 4320S)?

The Rado True Round Thinline Les Couleurs Le Corbusier (powerful orange 4320S) has a high-tech ceramic case with a titanium caseback. It is recorded at medium confidence pending a maker-stated material.

What size is the Rado True Round Thinline Les Couleurs Le Corbusier (powerful orange 4320S)?

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 (powerful orange 4320S) weigh?

About 80 g (w/ bracelet).

How much does the Rado True Round Thinline Les Couleurs Le Corbusier (powerful orange 4320S) cost, and is it available?

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

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