The Rado True Square Automatic Open Heart watch showcases an open-heart design revealing the automatic Rado calibre R734 movement with an 80-hour power reserve. Built with a 38 mm polished plasma high-tech ceramic case and bracelet, it delivers enduring scratch resistance and modern aesthetics.

Its grey dial features rose gold-coloured bevels, 12 diamond hour markers totaling 0.096 carats, and hands coated with Super-LumiNova for enhanced low-light readability. A flat sapphire crystal with double anti-reflective coating protects the front, while a transparent titanium and sapphire caseback displays the inner mechanism.

Engineered with an antimagnetic Nivachron hairspring tested in five positions, this Swiss-made timepiece ensures exceptional reliability and precision.

Key Features

Brand	Rado
Model	True Square Automatic Open Heart
Reference Number	R27083712
Gender	Men's
Movement Type	Automatic
Caliber	R734
Power Reserve	80 hours
Case Material	Plasma High-Tech Ceramic
Case Diameter	38.0 mm
Case Thickness	9.7 mm
Dial Colour	Grey, Rose Gold
Gemstones	12 Diamonds (0.096 Carat)
Crystal	Flat Sapphire Crystal with Anti-Reflective Coating
Caseback	Transparent Sapphire Crystal and Titanium
Bracelet Material	Plasma High-Tech Ceramic
Bracelet Colour	Plasma
Clasp Type	3-Fold Clasp in Titanium
Balance Spring	Antimagnetic Nivachron Hairspring
Weight	120 g
Country of Origin	Switzerland

Highlights

Swiss-made automatic Rado calibre R734 movement with an 80-hour power reserve
Open-heart grey dial accented with rose gold-coloured bevels and 12 diamonds
Constructed from polished plasma high-tech ceramic with a titanium caseback and clasp
Antimagnetic Nivachron hairspring tested in five positions for superior accuracy

Downloads

Size guide

Frequently asked questions

What type of movement powers this watch?

It is powered by the Swiss-made Rado calibre R734 automatic movement with an 80-hour power reserve and an antimagnetic Nivachron hairspring.

What are the case dimensions and materials?

The watch features a polished plasma high-tech ceramic case measuring 38.0 mm in diameter and 9.7 mm in thickness.

Are the hour markers set with genuine diamonds?

Yes, the dial is set with 12 diamonds totaling 0.096 carats.

What type of crystal protects the dial?

The dial is protected by a flat sapphire crystal featuring an anti-reflective coating on both sides.

What material is used for the bracelet and clasp?

The bracelet is made of plasma high-tech ceramic and is secured with a 3-fold titanium clasp.

Is the movement visible through the caseback?

Yes, it features a transparent sapphire crystal and titanium caseback that allows viewing of the automatic movement.

Rado True Square Automatic Open Heart Men's Watch R27083712