Published Sep 8, 2025 3 Min Read

The Cubonic S8 Ultra 4G smartwatch is perfect for anyone who wants a stylish watch that works like a mini phone. With 4G SIM support, GPS, fitness tracking, and app access, it suits students, professionals, fitness lovers, and even outdoor users. Whether you are making calls, checking health, or using maps, this smartwatch keeps you connected and in control.

Discover a wide range of smartwatches at any of Bajaj Finserv’s 1.5 lakh partner stores in 4,000 cities in India. Choose your ideal model, pay with Easy EMIs, and enjoy zero down payment on select deals. Take advantage of hassle-free financing with Bajaj Finserv—check your loan eligibility now and bring home your desired smartwatch without worrying about overspending.

Introduction to Cubonic S8 Ultra 4G smartwatch

The Cubonic S8 Ultra 4G smartwatch is a powerful and stylish device that works like a mini smartphone on your wrist. It supports 4G SIM cards, so you can make calls, use apps, and browse the internet without needing a phone. It has a bright UltraHD display, GPS, and over 110 sports modes for tracking walking, running, and cycling. You also get health features like heart rate, sleep, and stress monitoring. With music and camera control, alarm, and IP68 water resistance, it is great for daily use, fitness, and travel. The battery lasts up to 2 days, making it reliable and easy to use.

Decided which watch you want to buy? Use the Maha Bachat savings calculator to combine dealer offers, brand offers, and Bajaj offers to bring down your purchase cost. Calculate your extra savings today!

Key features of Cubonic S8 Ultra 4G smartwatch

The Cubonic S8 Ultra 4G smartwatch combines cutting-edge technology with user-friendly features to deliver an exceptional experience. Here are its standout features:

  • Connectivity options: Supports 4G and Bluetooth calling for seamless communication.
  • Health tracking: Includes heart rate monitoring, blood oxygen tracking, sleep analysis, and step counting to keep you on top of your fitness goals.
  • Durability: Comes with IP-rated water resistance, making it suitable for rugged outdoor use.
  • Battery life: Offers up to 7 days of battery life on regular usage, ensuring uninterrupted performance.
  • Universal compatibility: Works seamlessly with Android and iOS devices.

Also explore a wide range of automatic watches and circle smartwatches to make the best choice.

Price of Cubonic S8 Ultra 4G smartwatch in India

ProductPrice
Cubonic New S8 ULTRA 4G Smart Watch Wifi GPS 4G Network 1GB RAM 16GB Storage Smartwatch  (Black, Orange Strap, 49)Rs. 6,141

Disclaimer: Each model's features, availability, and pricing are subject to change and may vary. For the most accurate and up-to-date information, please visit the official website.

Before you decide, explore the latest offers. You may find a great deal on a model that matches your needs.

Also read: Smartwatches with Wi-fi connectivity 

Cubonic S8 Ultra 4G smartwatch vs other smartwatches- Comparison


FeatureCubonic S8 Ultra 4GS8 Ultra 5G Android smartwatchCMF by Nothing Watch Pro
Display2.02″ UltraHD, 500 nits brightness2.02″ IPS LCD, 320×386 resolution1.96″ AMOLED, Always-On Display
Connectivity4G SIM, Wi-Fi, Bluetooth, GPS5G/4G SIM, Wi-Fi, Bluetooth, GPS, NFCBluetooth 5.3, GPS (no SIM support)
RAM and storage1 GB RAM, 16 GB storage4 GB RAM, 64 GB storageNo internal storage (app-based sync)
Battery lifeUp to 2 days1–2 days (700mAh), 5 days standbyUp to 13 days
Health trackingHeart rate, SpO₂, sleep, stressHeart rate, SpO₂, sleep, blood pressureHeart rate, SpO₂, sleep, stress
Special featuresGesture control, music/camera control, IP68Play Store access, compass, barometer, IP67AI noise reduction, 110+ sports modes

Also read: How Bluetooth calling works in a smartwatch

Shop for smartwatches with Bajaj Finserv

Bringing home your preferred smartwatch is now hassle-free with Bajaj Finserv’s flexible financing options. You can also maximise your savings by using the Maha Bachat Savings Calculator—a smart tool that combines brand offers, dealer offers, and EMI offers, all in one place, helping you lower the overall cost while still paying in small, bite-sized instalments. Follow these steps to get started:

  • Explore products on Bajaj Mall: Browse through a wide selection of smartwatches on Bajaj Mall. Compare features to find a model that meets your needs.
  • Visit a partner store: Once you shortlist a model, step into any of Bajaj Finserv’s 1.5 lakh partner stores across 4,000 cities in India. See the product in person, talk to experts, and make a confident decision.
  • Choose the Easy EMI Loan option: At checkout, select the Bajaj Finserv Easy EMI Loan. Avail financing of up to Rs. 5 lakh and split the cost into convenient monthly instalments. Some products also come with a zero down payment option.
  • Check your loan eligibility online: Plan better by checking your loan eligibility in minutes. Simply enter your mobile number and OTP to know your pre-approved limit.
  • Use the EMI Network Card for purchases up to Rs. 3 lakh: Already own the Bajaj Finserv EMI Network Card? Use it for instant, paperless checkout and convert your purchases of up to Rs. 3 lakh into Easy EMIs.
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Frequently asked questions

Can I buy a smartwatch on EMI?

Yes, you can purchase a smartwatch with Bajaj Finserv's Easy EMI options. If you are an existing user of the Bajaj Finserv EMI Network Card: 
•Explore a variety of smartwatches on Bajaj Mall
•Choose the preferred model and visit a Bajaj Finserv partner store to check it out in person.
•Use your EMI Network Card and avail of Easy EMIs for affordable monthly payments
•Enjoy your new smartwatch on Easy EMIs

If you do not have one, there is no need to worry. Check your Insta EMI Card eligibility and take the first step towards enjoying the affordability and convenience of Easy EMIs.

Does the S8 Ultra 4G smartwatch support Bluetooth calling?

Yes, the Cubonic S8 Ultra 4G smartwatch supports Bluetooth calling, allowing hands-free communication on the move.

How long does the S8 Ultra 4G smartwatch battery last?

The S8 Ultra 4G smartwatch offers up to 7 days of battery life on regular usage, ensuring uninterrupted performance.

Is the S8 Ultra 4G smartwatch waterproof?

Yes, the Cubonic S8 Ultra 4G smartwatch features IP-rated water resistance, making it durable for outdoor activities and workouts.

Can I use the S8 Ultra 4G smartwatch with both Android and iOS?

Yes, the smartwatch offers universal compatibility and works seamlessly with both Android and iOS devices.

What health features are included in the S8 Ultra 4G smartwatch?

The smartwatch includes heart rate monitoring, sleep analysis, blood oxygen tracking, and step counting—ideal for daily fitness tracking.

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Bajaj Finserv App for all your financial needs and goals

Trusted by 50 million+ customers in India, Bajaj Finserv App is a one-stop solution for all your financial needs and goals. 

You can use the Bajaj Finserv App to: 

Apply for loans online, such as Instant Personal Loan, Home Loan, Business Loan, Gold Loan, and more. 

  • Explore and apply for co-branded credit cards online. 
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  • Choose from multiple insurance for your health, motor and even pocket insurance, from various insurance providers. 
  • Pay and manage your bills and recharges using the BBPS platform. Use Bajaj Pay and Bajaj Wallet for quick and simple money transfers and transactions. 
  • Apply for Insta EMI Card and get a pre-approved limit on the app. Explore over 1 million products on the app that can be purchased from a partner store on Easy EMIs. 
  • Shop from over 100+ brand partners that offer a diverse range of products and services. 
  • Use specialised tools like EMI calculators, SIP Calculators 
  • Check your credit score, download loan statements, and even get quick customer support—all on the app.

Download the Bajaj Finserv App today and experience the convenience of managing your finances on one app. 

Disclaimer

1. Bajaj Finance Limited (“BFL”) is a Non-Banking Finance Company (BAJAJ FINANCE) and Prepaid Payment Instrument Issuer offering financial services viz., loans, deposits, Bajaj Pay Wallet, Bajaj Pay UPI, bill payments and third-party wealth management products. The details mentioned in the respective product/ service document shall prevail in case of any inconsistency with respect to the information referring to BFL products and services on this page.

2. All other information, such as, the images, facts, statistics etc. (“information”) that are in addition to the details mentioned in the BFL’s product/ service document and which are being displayed on this page only depicts the summary of the information sourced from the public domain. The said information is neither owned by BFL nor it is to the exclusive knowledge of BFL. There may be inadvertent inaccuracies or typographical errors or delays in updating the said information. Hence, users are advised to independently exercise diligence by verifying complete information, including by consulting experts, if any. Users shall be the sole owner of the decision taken, if any, about suitability of the same. 

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