Rado True Square R27086162, 38mm, Black Dial, Black Ceramic Bracelet
Rado True Square, Black Dial
Square 38 mm Swiss automatic with black open heart dial, sapphire crystal, ceramic and titanium bracelet, 80-hour power reserve and 50 m water resistance.
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About this item
- Rado True Square Open Heart, 38 mm case with Swiss automatic movement
- Black high-tech ceramic and titanium bracelet
- Open heart dial with anti-reflective sapphire crystal
- 80-hour power reserve
- Water resistant to 50 metres
Top Highlights
- Brand
- Rado
- Model Number
- R27086162
- Department
- Unisex
- Item Type
- Automatic Watch
- Manufacturer
- Rado
- Country of Origin
- Switzerland
- First Available
- 13 January 2021
Features & Specs
- Display
- Analog
- Movement Type
- Swiss automatic
- Power Source
- Automatic
- Additional Features
- Open Dial
- Strap Type
- Bracelet
- Case Size
- 38.0 mm
- Case Thickness
- 9.7 mm
- Lug Width
- 20.0 mm
- Weight
- 120 g
- Water Resistance
- 50 m
- Sport Type
- Walking
- Strap
- High-Tech Ceramic
- Clasp
- Push Button Deployment Clasp
- Crystal
- Sapphire crystal
Style
- Style Name
- Avant Garde
- Dial Shape
- Square
- Dial Colour
- Black (Open Heart)
- Band Color
- Black
- Theme
- Love
- Face Style
- Skeleton
- Collection
- True Square
Description
The Rado True Square Open Heart is a square-cased Swiss automatic watch built around a black open heart dial. It suits wearers who like a distinctive, design-led piece with a mechanical movement that can be seen working.
The case measures 38 mm across and 9.7 mm thick, with a 20 mm lug width. A sapphire crystal with anti-reflective coating covers the dial, and the Swiss automatic movement is paired with water resistance to 50 m. The bracelet combines black high-tech ceramic and titanium links, closed by a push button deployment clasp.
The open heart aperture exposes part of the movement, and the 80-hour power reserve means the watch keeps running over a weekend off the wrist. At around 120 g it feels substantial, and the dark ceramic finish makes it an easy daily wear with both casual and smarter outfits.
Frequently Asked Questions
Can I wear the True Square Open Heart for a swim?
It is rated to 50 m, which covers rain, hand washing and a quick splash, but a swim or shower is best avoided. Hot water and steam can stress the seals over time. For regular pool use, a diver with a higher rating suits better than this Rado.
How long will it keep running if I take it off for a weekend?
The Swiss automatic movement has an 80-hour power reserve, so after a full wind it should run for more than three days. A watch left off from Friday evening is usually still ticking on Monday morning, without needing to be reset.
Will a 38 mm square case fit my wrist?
The case is 38 mm across and 9.7 mm thick with a 20 mm lug width, and the square shape tends to wear a little larger than a round 38 mm. It generally suits average to slightly larger wrists, and the clasp has limited fine adjustment, so check the bracelet length.
Does the ceramic bracelet scratch easily compared with steel?
The bracelet combines black high-tech ceramic and titanium, which resists everyday scratches far better than stainless steel. The sapphire crystal also has an anti-reflective coating. Ceramic can chip on a hard knock, so avoid banging it against stone or metal edges.
How does this differ from a regular round automatic?
The Rado has a square case, an open heart dial showing part of the movement, and a ceramic and titanium bracelet. A round steel automatic usually offers more water resistance and easier strap changes, so choose by whether design or sport use matters more to you.
Is it suitable for daily office use and service needs?
Yes, at 9.7 mm thick it slips under most cuffs, and the dark finish suits office wear. As a mechanical watch it generally needs servicing every five years or so, and a service centre should also check the 50 m seals during that visit.
Editor's take
Rado's True Square line is built around a case shape few brands attempt in ceramic, and the Open Heart version adds a view of the movement through the dial. It is aimed at buyers who want a design-led square watch rather than another round three-hander, and the True Square silhouette is unmistakable on the wrist.
The headline spec is the 80-hour power reserve of the Swiss automatic movement, which means the watch survives a long weekend in a drawer and is still running on Monday. The dial is covered by anti-reflective sapphire crystal, so the open heart aperture stays readable in bright light, while the high-tech ceramic and titanium bracelet resists scratches far better than steel would.
The main trade-off is 50 m of water resistance. That covers splashes and hand washing but not swimming, so anyone who wants a pool-ready watch should look at a diver instead. The open heart dial also shows only a small part of the movement, and the push button deployment clasp limits fine length adjustment compared with a pin buckle.
This suits someone who wants a distinctive dress-leaning automatic for office and evenings, and who values scratch resistance. Buyers who want a fuller skeleton view or greater water resistance could compare other skeletonised Swiss automatics and sports models at similar prices.
In categories
From the manufacturer

The Master of Materials
Discover the merrier of collections that Rado has to offer, from our Rado DiaStar Original Scratchproof resistant, to our newly relaunched nautical inspired Rado Captain Cook for all the explorers out there looking for a high quality yet fashionable Diver's Watch.

Ceramic Case, Swiss Automatic
The R27086162 pairs a 38.0mm high-tech ceramic build with a Swiss automatic movement, so the rotor winds the mainspring from wrist motion alone. Ceramic resists scratches and keeps its finish over years of wear, while the sapphire crystal guards the dial. Water resistance is rated to 50m.

Rado Switzerland
Our timepieces are conceived, designed and manufactured in Switzerland with the highest quality materials. We pride ourselves on mastering groundbreaking materials like High-tech ceramic, plasma and ceramos.

Our DNA Collections
Rado builds its DNA collections around a material-led approach, and this 38.0mm automatic reflects that with high-tech ceramic worn against the skin. The smooth, hypoallergenic surface and scratch-resistant sapphire crystal suit daily use. A Swiss automatic movement drives it without a battery.

Welcome to the Rado Universe
Created for modern wearers with timeless design and those with an eye for beauty and a taste for the finer things in life.
Warranty & Support
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