Apple Watch Series 12 and Ultra 4 with S11 Chip
Apple Watch Series 12 and Ultra 4 launch with S11 chip, Longevity health features, and up to 84-hour battery life, starting at 14,900 THB in Thailand.
Stock photo for illustration only, not from the actual event
- Apple Watch Series 12 and Ultra 4 powered by the new S11 chip
- New Longevity health suite tracks live heart rate every 5 seconds
- Ultra 4 offers up to 84 hours of battery life in low power mode
- Prices in Thailand start at 14,900 THB, launching on September 18, 2026
Apple has officially announced its latest flagship smartwatches, the Apple Watch Series 12 and Apple Watch Ultra 4, focusing heavily on advanced health tracking capabilities and enhanced performance. At the core of this upgrade is the new Health Sensing System working alongside the S11 chip, which delivers higher accuracy for the heart rate sensor. It captures live heart rate data more frequently at every 5 seconds throughout the day, while also increasing the frequency of HRV in vitals measurements to every 5 minutes. This detailed data is processed into a Readiness Score ranging from 0 to 10 to evaluate daily physical preparedness with real-time recommendations.
Furthermore, the Health app on the iPhone has been redesigned to support these updates, introducing a dedicated Longevity tab. This includes the Health Age feature to evaluate biological age compared to chronological age, along with assessments for muscle strength, balance, flexibility, on-demand VO2 max testing, and integration with Lab biomarkers for in-depth health evaluations running on watchOS 27.
The integration of Longevity features and high-frequency health monitoring illustrates the continuous shift of wearable technology from basic step counting toward preventive healthcare tools, allowing users to detect physiological anomalies much earlier.
Stock photo for illustration only, not from the actual event
Stock photo for illustration only, not from the actual event
Powered by the S11 chip, the new watches also introduce Audio Intelligence features to simplify daily life, including Sound Recognition for emergency alerts, Live Rewind to instantly replay the last 15 seconds of transcribed conversations, and Siri Recap for intelligent conversation summaries powered by Siri AI. Durability is further enhanced with Ceramic Shield 2 front glass and a dedicated step count watch face.
Stock photo for illustration only, not from the actual event
Stock photo for illustration only, not from the actual event
Apple Watch Series 12 is designed for daily wear with a thin and lightweight profile, available in 42mm and 46mm case sizes with aluminum, titanium, and premium ceramic material options, delivering 24-hour battery life. Meanwhile, Apple Watch Ultra 4 is built for endurance athletes and extreme adventurers, featuring a rugged titanium case in Natural and Black finishes, delivering a record-breaking 50 hours of general battery life and up to 84 hours in low power mode. Both models support fast charging.
Regarding pricing in Thailand, the Apple Watch Series 12 GPS model starts at 14,900 THB for the 42mm size and 15,900 to 16,900 THB for the 46mm size, while the Apple Watch Ultra 4 starts at 29,900 THB. Official sales will begin on September 18, 2026.
Source: Thairath Lifestyle
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