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Rado DiaStar Original — Where Swiss Watchmaking History Begins

In 1962, Rado changed watchmaking forever. The DiaStar — hailed as the world's first scratch-resistant watch — arrived with an audacious claim and the engineering to back it up. More than 60 years later, the DiaStar Original continues to carry that legacy forward: the same iconic oval case, the same bold gold-coloured Ceramos coiffe, the same vertical faceted sapphire crystal — now paired with the precision of Swiss automatic movements built for the 21st century.

At Zimson Watches, India's most trusted authorised Rado dealer since 1948, we celebrate the DiaStar Original as more than a watch — it is a symbol of ambition, heritage, and the timeless appeal that has made Rado a household name across Tamil Nadu, Kerala, Karnataka, and the rest of India. Whether you are buying your first Swiss watch, searching for the perfect wedding or anniversary gift, or adding an iconic piece to your collection, the DiaStar Original at Zimson is the authentic choice.

The Story Behind the DiaStar Original

The DiaStar was Rado's bold answer to a universal problem — watches that scratched, tarnished, and aged poorly. The name itself tells the story: 'Dia' from diamond (the hardest natural substance) and 'Star' from the aspiration to shine. Rado's engineers combined tungsten carbide hard metal with a faceted sapphire crystal — two technologies that were revolutionary for 1962 — and created a timepiece that could genuinely claim to be scratchproof.

The original DiaStar 1 featured a distinctive oval case with a broad, dramatically shaped bezel that concealed the strap fastening — a design so radical it was described as 'the most important improvement of watch cases in 400 years.' The iconic gold-coloured DiaStar 13, introduced in 1972, joined the ultra-scratch-resistant family and remains among Rado's bestsellers today — a testament to enduring design.

Today's DiaStar Original is the legitimate successor to that 1962 legend. It retains the unmistakable silhouette — the oval case, the bold Ceramos coiffe, the faceted crystal — while incorporating modern Swiss automatic movements, Ceramos material technology (titanium carbide composite, lighter and harder than the original hard metal), and contemporary dial treatments that honour tradition while feeling entirely fresh.

What Is Ceramos — Rado's Signature Material?

Ceramos: The material that makes the DiaStar Original unlike any other watch in its price category. Ceramos is a proprietary composite material made primarily of titanium carbide — combining the extreme hardness and scratch resistance of ceramics with the toughness and lustrous finish of a metal alloy.

• Harder than steel — virtually scratch-resistant surface that maintains its shine for decades

• Lighter than conventional metal — the gold-coloured Ceramos coiffe is significantly lighter than gold plating

• Hypoallergenic — ideal for sensitive skin, especially important in India's climate

• Retains its colour permanently — unlike gold-plated watches, Ceramos does not wear through

• Polished to a mirror finish — the angular, polished Ceramos coiffe creates the DiaStar's signature bright, jewel-like appearance

Rado DiaStar Original Models — Complete Guide

The DiaStar Original collection at Zimson is available in multiple variants. Here is how to navigate them:

DiaStar Original Automatic (38mm — Gold Ceramos)

The flagship of the collection and the most iconic. The 38mm automatic features the bold yellow gold-coloured Ceramos coiffe over a PVD-coated stainless steel case, a vertical faceted sapphire crystal, and a richly detailed dial with cubic zirconia markers on a harmonic diamond-powder-decorated background. The R764 automatic calibre with 80 hours of power reserve and the antimagnetic Nivachron hairspring sits at its heart. Available in multiple dial and cubic zirconia colour combinations — white, yellow, red — making each variant distinctive.

DiaStar Original Automatic Open Heart (38mm)

The collector's favourite in the DiaStar family. An aperture cut into the dial reveals the mesmerising oscillation of the R764 movement's balance wheel — a living window into Swiss mechanical watchmaking. The brown open heart dial features 6 cubic zirconia and a sunray guilloché pattern decoration. The gold Ceramos coiffe and faceted sapphire crystal complete the picture. This model bridges the DiaStar's bold heritage aesthetic with the contemporary appeal of visible mechanical movement — making it one of Zimson's fastest-selling DiaStar variants.

DiaStar Original Automatic (38mm — Skeleton / Special Editions)

Rado periodically releases special editions of the DiaStar Original, including skeleton-dial variants that expose the full mechanical movement through a skeletonised dial and case back. These limited and special editions are available at select Zimson boutiques. Contact your nearest Zimson store or visit zimsonwatches.com to check current availability of special edition DiaStar models.

DiaStar Original (30mm — Compact Ceramos, New)

Following market demand for smaller, colourful watches, Rado introduced the DiaStar Original in a petite 30mm case — retaining the original's iconic sloping helmet-shaped Ceramos bezel in platinum colour, now paired with vibrant dial options. Powered by the R586 automatic calibre (ETA 2671 base) with 48 hours of power reserve and Nivachron hairspring. These 30mm models weigh only 89.6 grams — among the lightest DiaStar variants ever made.

Rado DiaStar Original Price List India 2026 — Zimson

Indicative MRP inclusive of GST as per September 2025 import prices. Please check zimsonwatches.com or contact your nearest Zimson store for current pricing

Why Buy Your Rado DiaStar Original at Zimson?

The DiaStar Original's gold-coloured appeal makes it one of the most frequently counterfeited Rado models in India. There is only one safe way to buy: from an authorised dealer. Zimson has been Rado's authorised retail partner since 1948 — long before most of India's current watch retailers existed.

• 100% Genuine — every DiaStar Original at Zimson is sourced directly from Rado India

• 5-Year International Warranty — officially stamped on purchase, valid at Rado service centres worldwide

• Free Shipping Across India — all online orders at zimsonwatches.com ship free, pan-India

• EMI Available — spread your purchase across easy monthly instalments

• Dedicated Rado Boutiques — try the DiaStar Original in person at our dedicated Rado boutique locations

• Expert Consultation — our watch consultants are trained by Rado and can help you choose the right DiaStar variant

• After-Sales Service — authorised Rado service centre support for maintenance and repairs

Rado DiaStar Original — India's Premium Gifting Watch

For decades, the Rado DiaStar has been the prestige gifting watch of choice across Tamil Nadu, Kerala, and South India. The gold-coloured Ceramos case, the bold jewel-like dial, the instantly recognisable design — these qualities made the DiaStar the centrepiece of wedding tables, retirement celebrations, and milestone gifts across generations. At Zimson, we provide gifting-ready packaging, personalised service, and gift consultations at all our showrooms.

The DiaStar Original is particularly well-suited as a gift for: traditional Indian weddings (bride or groom), retirement and career milestone gifts, senior members of the family, 25th and 50th anniversaries, and Diwali or other festive gifting occasions.

al collection, with select locations offering dedicated Rado boutique experiences.

Chennai Stores

South India Stores

FAQ — Rado DiaStar Original 

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Q1. What is the Rado DiaStar Original?

The Rado DiaStar Original is the modern successor to the original 1962 DiaStar — hailed as the world's first scratch-resistant watch. It features Rado's iconic oval-case silhouette with a gold-coloured Ceramos coiffe (a proprietary titanium carbide composite), a vertical faceted sapphire crystal, and Swiss automatic movement. The DiaStar Original is available in 38mm and 30mm case sizes, with quartz and automatic movements, at Zimson — India's authorised Rado dealer.

Q2. What is the price of Rado DiaStar Original in India?

The Rado DiaStar Original price in India at Zimson ranges from approximately ₹1,13,700 for the compact 30mm automatic to ₹2,25,400 and above for the 38mm Automatic and special edition variants. The popular DiaStar Original Open Heart is priced from approx. ₹1,78,100. All prices are MRP inclusive of GST as per September 2025 pricing. Visit zimsonwatches.com or contact your nearest Zimson store for the latest prices.

Q3. Why is the Rado DiaStar called the world's first scratch-resistant watch?

When Rado launched the DiaStar in 1962, it used tungsten carbide hard metal — an industrial material far harder than conventional watch steel — combined with a faceted sapphire crystal. At a time when most watches scratched easily, these materials made the DiaStar genuinely scratchproof. Rado backed this claim with four patents and marketed it as 'the most important improvement of watch cases in 400 years.' Today, the DiaStar Original uses Ceramos — an evolution of that original hard metal, made from titanium carbide — which is equally scratch-resistant and significantly lighter.

Q4. What is Ceramos and why does it matter?

Ceramos is Rado's proprietary composite material used in the DiaStar Original's case coiffe. It is made primarily of titanium carbide and combines the scratch resistance and hardness of ceramics with the toughness and metallic lustre of an alloy. Unlike gold-plated watches that wear through over time, Ceramos retains its colour and shine permanently — making the DiaStar Original's gold appearance genuinely long-lasting. It is also hypoallergenic, ideal for sensitive skin, and significantly lighter than conventional gold-toned metals.

Q5. Where can I buy Rado DiaStar Original in Chennai?

You can buy the Rado DiaStar Original at Zimson's nine Chennai locations: T. Nagar (Usman Road and Ramasamy Street), Adyar, Royapettah (Whites Road), Express Avenue Mall, Phoenix MarketCity (Velachery), VR Chennai (Anna Nagar, multiple stores), Vadapalani (NSK Salai), and Marina Mall (OMR). All Zimson Chennai showrooms are authorised Rado dealers carrying the full DiaStar Original collection with official warranty.

Q6. Where can I buy Rado DiaStar Original in Bangalore?

Zimson operates Rado-authorised showrooms in Bangalore, including Forum Falcon City on Kanakapura Main Road. Visit zimsonwatches.com/pages/our-showroom for all Bangalore store locations, timings, and directions.

Q7. Is the Rado DiaStar Original a good wedding gift in India?

Absolutely. The Rado DiaStar Original has been one of India's most cherished wedding and celebration gifts for decades. The gold-coloured Ceramos case, bold dial with cubic zirconia markers, and the prestige of Swiss automatic heritage make it an ideal gift for grooms, brides, parents, and senior relatives. At Zimson, we offer gifting-ready presentation, personalised in-store assistance, and the assurance of 100% authentic Rado with a 5-year warranty — the gold standard of gifting.

Q8. What is the difference between DiaStar Original Automatic and DiaStar Original Open Heart?

Both use the R764 Swiss automatic movement with 80 hours of power reserve. The key difference is the dial: the standard Automatic has a solid dial with cubic zirconia markers on a harmonic diamond-powder-decorated background, while the Open Heart variant features an aperture in the dial that offers a direct view of the movement's oscillating balance wheel. The Open Heart adds visual drama and mechanical interest, making it popular with watch enthusiasts and gift givers who want something more distinctive.

Q9. Does the Rado DiaStar Original come with an international warranty?

Yes. Every Rado DiaStar Original purchased at an authorised Zimson store comes with an official 5-year Rado international warranty, stamped at the point of purchase. This warranty is valid at authorised Rado service centres worldwide. Watches purchased from grey market sellers or unauthorised retailers do not carry a valid Rado warranty — the official Rado India service centre will not honour such warranties.

Q10. Is the Rado DiaStar Original water resistant?

Yes. All DiaStar Original models are water resistant to 100 metres (10 ATM) — significantly more than the standard 50m offered by most dress watches. This makes the DiaStar Original suitable for everyday wear, rain, swimming, and light water sports. It is not rated for scuba diving.

Q11. How does the Rado DiaStar Original compare with the Rado Centrix?

These two collections represent very different personalities within Rado's range. The DiaStar Original is bold, heritage-rich, and immediately recognisable — with its gold Ceramos oval case, dramatic bezel, and jewel-like cubic zirconia dial. It is Rado at its most iconic. The Centrix, by contrast, is slim, tapered, and understated — refined formal elegance with a lighter bracelet suited to everyday wear. The DiaStar Original is the better choice for heritage collectors, traditional Indian gifting occasions, and anyone who wants a statement piece. The Centrix suits daily formal use, modern professionals, and those preferring a low-key Swiss watch.

Q12. Is EMI available for Rado DiaStar Original at Zimson?

Yes. EMI options are available on Rado DiaStar Original purchases at Zimson, both in-store and online at zimsonwatches.com. EMI can be availed on major credit and debit cards through our payment partners. Speak to our in-store team or check checkout options online for current EMI schemes and bank offers.