Apple launched the Apple Watch Series 12 with a new S11 chip and upgraded health sensors including enhanced optical/electrical heart rate monitoring (sampling every 5 seconds), improved HRV tracking for stress and recovery assessment, and a new "Readiness" score feature (0-10) that analyzes daily activity, exercise, vital signs, and sleep to indicate body readiness for activities. Available in aluminum (starting 14,900 baht), titanium, and ceramic options with multiple color choices; Thai market availability date not yet confirmed.