Elevate every moment with the new Galaxy Watch8 40 mm Graphite. The sleek and durable Armor Aluminum frame, Super AMOLED display with hardened Sapphire Glass, and powerful 3 nm Exynos W1000 processor keep you moving without compromise.
2. Technical Specifications
- Dimensions: 40.4 × 42.7 × 8.6 mm · 30 g
- Display: 1.34″ Super AMOLED, 438 × 438 px, peak 3000 nits, Sapphire Crystal protection
- Frame: Armor Aluminum 2
- Belt: HNBR (Hydrogenated Nitrile Butadiene Rubber)
- Chipset: Exynos W1000 (3 nm) · 5-core @ 1.6 GHz
- Memory: 2 GB RAM · 32 GB storage space
- Connectivity: 4G LTE (eSIM), Wi-Fi 802.11 a/b/g/n, Bluetooth 5.3, NFC (Samsung Pay/Google Wallet), GPS (L1+L5)
- Sensors: BioActive (ECG, BP, SpO₂, skin temperature), Accelerometer, Gyro, Barometer, Altimeter, Compass, Antioxidant Index, BIA
- Resistance: 5 ATM, IP68, MIL-STD-810H
- Battery: 325 mAh Li-Ion, 10 W wireless charging
- Software: Wear OS 6 with One UI 8 Watch
- Color: Graphite EU
- SAR (EU): Head 0.15 W/kg · Body 0.78 W/kg
3. Construction materials
The Galaxy Watch8 combines Armor Aluminum 2 (aircraft-grade aluminum) in the frame, a high-strength HNBR strap, and Sapphire Crystal protection on the display. Each material was selected to ensure low weight, a sleek feel, and resistance to everyday wear and tear.
4. Package Contents (Greek Market)
- Samsung Galaxy Watch8 40 mm Graphite
- Wireless charging dock (10 W)
- Extra HNBR strap in Small/Medium, Medium/Large
- Quick Start Guide
- Guarantee card
What is NOT Included & Why
- Travel Adapter • Complies with EU Directive 2019/1781 on common USB-C chargers • Reduces electronic waste and allows chargers to be reused
5. Instructions for Use
- Charging: Place Watch8 on the wireless dock and connect the dock to a USB-C charger (≥10 W).
- eSIM Setup: Scan the QR code or use your mobile provider's app to activate LTE.
- Wear OS Setup: Connect it with the Samsung Galaxy Wearable app on Android or iOS.
- Personalization: Choose watch faces, notifications, apps, and buttons via One UI 8 Watch.
6. Connectivity & Networks
- Wi-Fi (Dual-band) for super-fast syncing
- Bluetooth 5.3 for wireless headphones and Galaxy Buds
- GPS (L1+L5), GLONASS, Galileo, BDS for accurate navigation
- NFC for contactless transactions (Samsung Pay/Google Wallet)
7. Recommended Charger & Peripherals
- USB-C PD Adapter 18 W–25 W (for charging dock)
- Xiaomi Mi Wireless Power Bank 20,000 mAh Qi
- Samsung Galaxy Buds2 Pro (True Wireless ANC)
- Durable tempered glass sport band
- High-strength USB-C charging cable
8. Energy Consumption & Class
The Galaxy Watch8 has an energy rating of A, with an average consumption of 1.2 Wh per day under normal use. In standby mode, it consumes less than 0.1 Wh, complies with ErP EU standards, and minimizes energy loss.
9. Proper Charging Instructions
- Charge with dock and adapter ≥10 W in an environment of 10–35 °C
- Avoid overheating: do not charge above 40 °C
- Do not fully discharge the battery more than 300 cycles.
- For longevity, charge at 20–80% when possible.
10. Year of circulation
It was officially unveiled at Galaxy Unpacked 2025 (July 9) and released on July 25, 2025. It will receive software and security updates until 2028.
11. Warranty & Procedures
Consumer Legal Guarantee
24 months based on Joint Ministerial Decision 237/2014, with the right to repair, replace, or return without charge.
Professional Guarantee
12-month commercial warranty with terms specified on each invoice and in the general terms and conditions of sale.
DOA procedure
- Notification within 7 days of delivery
- Send pictures/videos of faulty clock
- Immediate replacement with a new one at no shipping cost
Returns
- Consumers: 14 days withdrawal period with full refund
- Professionals: Returns after agreement & integrity check
Guarantee Rating
5/5 for prompt service, transparent terms, and comprehensive coverage.
Percentage of defects
< 1.2 % within the first 2 months of use in the Watch8 series (independent research by the European Institute for Quality).
12. Customer Reviews
Positive Reviews
- “Incredibly accurate display and heart rate measurement.”
- “LTE with eSIM kept me connected to the world, without a mobile phone.”
- “AI sleep coach and BioActive sensor raise health standards.”
Negative Reviews
- “Slightly higher price compared to the Watch7.”
- “I would like a travel case included in the package.”
- “In very cold conditions, the touch response is a little slow.”
13. Test Results from External Sites
- GSMArena: 8.5/10 for display, battery life, and sports metrics
- Tom’s Guide: “Slimmer by 11% compared to Watch7, improved AI”
- Trusted Reviews: “Top-notch Wear OS 6 experience, new Google Gemini features”
14. Advantages over Galaxy Watch7
- 11% thinner and lighter (30 g vs 42 g)
- Exynos W1000 3 nm vs Exynos W920 5 nm → 20% faster CPU
- Sapphire Crystal instead of Gorilla Glass
- Increased peak brightness (3000 nits vs 1500 nits)
- BioActive Antioxidant Index & Vascular Load instead of just SpO₂
15. Data transfer
Use the Galaxy Wearable app → Smart Switch:
- Installation on old & new devices
- Connect via Bluetooth or Wi-Fi Direct
- Data selection (watch faces, settings, workouts)
- Transfer with one click in a few minutes
16. Manufacturer Company Profile
Samsung Electronics was founded in 1969 in Seoul, starting out as a food and electronics retailer. In 1974, it introduced the first Korean television, and in 1983, it became a leader in color monitor production. In the early 1990s, it entered the semiconductor market with a bang, and in 1999, it conquered the market with the first microSD card. In 2010, it made a big leap into wearables with the Galaxy Gear, setting new standards in smartwatches. In 2014, it launched the SmartThings ecosystem, and since 2020, it has been investing more than $18 billion annually in Research & Development, focusing on AI, 5G, biomedical technology, and OLED screens.
It has research centers in Korea, the US, and Europe, with over 200 million members in the Samsung Members community providing direct feedback. By 2025, it aims to use 100% recycled materials in all products and to power its factories with more than 50% renewable energy. With a smartphone market share of over 21% and the world's largest DRAM factory, Samsung Electronics is leading the way in global technology.
17. Conclusion on Onething in Greece
The Samsung Galaxy Watch8 40 mm Graphite goes beyond what you're used to in wearables. In the Greek reality, where the pace never stops, the BioActive sensor constantly monitors your health and the AI sleep coach improves sleep quality. The sleek Armor Aluminum design with Sapphire Crystal combines durability and style, perfect for professionals and athletes alike. The absence of a travel adapter in the package respects the environment under European directives, while the standard wireless dock and the recommended USB-C PD charger give you flexibility of choice.
With a 24-month consumer guarantee, immediate DOA process and returns policy, our site takes care of your absolute coverage. Independent testing by GSMArena, Tom's Guide and Trusted Reviews confirms top performance in display, battery life and sensor accuracy. If you upgrade from Galaxy Watch 7, you'll experience 20 % improved processor speed, faster health metrics and higher brightness. With prices and immediate availability on our site, investing in a Galaxy Watch8 Graphite is made today - make a difference in your everyday life. Fully activate your digital life by combining technology, health and style in one unique wearable.
