The Ceramic Field Guide

Rado True Round Secret (plasma, green)

R27108312

The Rado True Round Secret (plasma, green) is a current-production dress watch with a grey plasma high-tech ceramic case. It measures 40.0 mm across, 10.4 mm thick, 122 g, and is water resistant to 50 m. Inside is the R734 automatic, open heart at 12 movement, with 80 hours power reserve. Complications: Time only. Priced from $2,450. Brand origin: Switzerland.

Ceramic dress watchesGrey ceramicOn a ceramic braceletDisplay backUnder $5,000
Reference
R27108312
Type
Dress
Price
$2,450
Case diameter
40.0 mm
Thickness
10.4 mm
Lug-to-lug
Water resistance
50 m
Weight
122 g (with bracelet)
Origin
Switzerland
Movement
Automatic, open heart at 12
Caliber
R734
Power reserve
80 hours
Complications
Time only
Ceramic
Plasma high-tech ceramic
Colour
Grey
Hardness
Construction
Monobloc
Surface treatment
Caseback
Titanium
Nickel-free
Not verified (clasp or buckle material not confirmed)
Bracelet / strap
Plasma high-tech ceramic bracelet with a titanium three-fold clasp
Ceramic bracelet
Standard
Crystal
Sapphire
Display back
Yes
Dial
Green with an open heart at 12
Lume
Availability
Offered
Status
Current
Medium confidence Verified Jul 2026 Source: Rado US (maker) Maker / listing ↗
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Frequently asked questions

What kind of ceramic is the Rado True Round Secret (plasma, green)?

The Rado True Round Secret (plasma, green) has a grey plasma 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 Secret (plasma, green)?

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

How much does the Rado True Round Secret (plasma, green) weigh?

About 122 g (w/ bracelet).

How much does the Rado True Round Secret (plasma, green) cost, and is it available?

It is current-production and lists from $2,450.

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