The Titanium Field Guide

Rado True Round Automatic Open Heart

R27108112

The Rado True Round Automatic Open Heart is a current-production dress watch with a plasma ceramic case. At 110.7 g it sits among the heavier dress watches in the guide, and is priced well above the $542 median for the category. It ships on a matching ceramic bracelet rather than a strap.

All Rado watchesExotic-material dress watchesUnder $3,000Under 11 mm thickLightest, rankedOn a titanium braceletDisplay back
Price
$2,800
Material
Ceramic
Grade / type
Plasma ceramic
Weight
110.7 g (with bracelet)
Water resistance
50 m
Reference
R27108112
Type
Dress
Case diameter
40.0 mm
Thickness
10.4 mm
Origin
Switzerland
Movement
Automatic
Caliber
R734
Power reserve
80 hours
Complications
Time only
Colour
Grey
Construction
Monobloc
Finish technology
Natural finish
Caseback
Titanium
Nickel-free
Unconfirmed (clasp or buckle material not confirmed)
Bracelet / strap
Polished plasma high-tech ceramic bracelet with titanium 3-fold clasp
Matching bracelet
Standard
Crystal
Sapphire
Display back
Yes
Dial
Grey sunray open-heart dial with rose gold colored bevels
Dial colours
Grey
Lume
Super-LumiNova
Availability
Offered
Status
Current
Not published
Lug-to-lug, Hardness, Surface treatment
High confidence Verified Aug 2026 Source: Maker / Monochrome Spec checksCase material Jul 2026Price Jul 2026Weight Aug 2026 medium
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Frequently asked questions

What is the case material of the Rado True Round Automatic Open Heart?

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

What size is the Rado True Round Automatic Open Heart?

It is 40.0 mm in diameter, 10.4 mm thick, and water resistant to 50 m.

How much does the Rado True Round Automatic Open Heart weigh?

About 110.7 g (w/ bracelet).

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

It is current-production and lists from $2,800.

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