The Ceramic Field Guide

Rado True Square Automatic Open Heart

R27086162

The Rado True Square Automatic Open Heart is a current-production dress watch with a black black ceramic case. It measures 38.0 mm across, 9.7 mm thick, and is water resistant to 50 m. Inside is the R734 automatic movement, with 80 hours power reserve. Complications: Time only. Priced from $2,950. Brand origin: Switzerland.

Ceramic dress watchesBlack ceramicOn a ceramic braceletDisplay backUnder $5,000
Reference
R27086162
Type
Dress
Price
$2,950
Case diameter
38.0 mm
Thickness
9.7 mm
Lug-to-lug
–
Water resistance
50 m
Weight
–
Origin
Switzerland
Movement
Automatic
Caliber
R734
Power reserve
80 hours
Complications
Time only
Ceramic
Black ceramic
Colour
Black
Hardness
–
Construction
Monobloc
Surface treatment
–
Caseback
Titanium
Nickel-free
Not verified (clasp or buckle material not confirmed)
Bracelet / strap
Black high-tech ceramic bracelet with titanium 3-fold clasp
Ceramic bracelet
Standard
Crystal
Sapphire
Display back
Yes
Dial
Black open-heart dial with Super-LumiNova on hands
Lume
Super-LumiNova
Availability
Offered
Status
Current
High confidence Verified Jul 2026 Source: Maker Maker / listing ↗
Facts are free to cite with a link.
See it in the interactive guide

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Alternatives to the Rado True Square Automatic Open Heart

Bell & Ross BR-S Black Matte CeramicBell & RossBR-S Black Matte Ceramic$2,70039.0 mmOthersimilar price · similar sizeBell & Ross BR-S White CeramicBell & RossBR-S White Ceramic$2,80039.0 mmOthersimilar price · similar sizeFormex Essence Ceramica COSC 41mm (Degrade)FormexEssence Ceramica COSC 41mm (Degrade)$3,69041.0 mm11.2 mm thick56 gOthersimilar price · similar size · same movement
Bell & RossBR 03 Black Matte Ceramic$3,90041.0 mmPilotsimilar price · similar size · same movement
CIGA DesignMechanical Series U Blue Planet Ice Age$1,49943.0 mm15.5 mm thick128 gOthersimilar price · same movement
CIGA DesignMechanical Series U Blue Planet II Gilded Age$1,99946.0 mm15.2 mm thickOthersimilar price · same movement

More ceramic watches from Rado

RadoTrue Square Automatic Open Heart$2,30038.0 mmDress
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 gDress

Frequently asked questions

What kind of ceramic is the Rado True Square Automatic Open Heart?

The Rado True Square Automatic Open Heart has a black black ceramic case with a titanium caseback. This is confirmed against the maker spec.

What size is the Rado True Square Automatic Open Heart?

It is 38.0 mm in diameter, 9.7 mm thick, and water resistant to 50 m.

How much does the Rado True Square Automatic Open Heart cost, and is it available?

It is current-production and lists from $2,950.

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