Rado True Square Automatic Open Heart

The Rado True Square Automatic Open Heart is a current-production dress watch with a black ceramic case. It is priced well above the $542 median for the category. It ships on a matching ceramic bracelet rather than a strap.

4 official photos · reader photos welcome

Price

$3,600

Material

Ceramic

Grade / type

Black ceramic

Water resistance

50 m

Reference

R27086712

Type

Dress

Case diameter

38.0 mm

Thickness

9.7 mm

Origin

Switzerland

Movement

Automatic

Caliber

R734

Power reserve

80 hours

Complications

Time only

Colour

Black

Construction

Monobloc

Finish technology

Natural finish

Caseback

Titanium

Nickel-free

Unconfirmed (clasp or buckle material not confirmed)

Bracelet / strap

Black high-tech ceramic bracelet with titanium 3-fold clasp

Matching bracelet

Standard

Crystal

Sapphire

Display back

Yes

Dial

Black open-heart dial with yellow gold colored bevels, set with 12 diamonds

Dial colours

Black

Lume

Super-LumiNova

Availability

Offered

Status

Current

Not published

Lug-to-lug, Weight, Hardness, Surface treatment

High confidence Verified Jul 2026 Source: Maker

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