Milanese Loop size S/M best fits wrists between 130mm and 180mm

Milanese Loop size M/L best fits wrist between 150mm and 200mm

• All-new Health Sensing System delivers the most accurate heart rate sensing in a wearable.
• Should you rest or put yourself to the test? Now a personal readiness score lets you know.
• More frequent heart rate variability, or HRV, readings help provide insights on stress and recovery.
• A new optical heart rate sensor enables high-frequency heart rate tracking every five seconds, all day long, so you’ll never miss a beat.
• In the redesigned Health app, learn which habits are influencing your Health Age and how to improve them.
• Make every day more effortless with Siri AI. And seamless with Audio Intelligence, powered by the S11 chip.
• A powerful health and fitness tracker designed with built-in safety features to bring you peace of mind.
• Water and dust resistance. Apple Watch Series 12 is rated WR 50M and IP6X — perfect in the pool or ocean down to 6 meters and fully protected against dust.
• Get up to 24 hours of normal use. And with fast charging, just 15 minutes gets you up to 12 additional hours of battery life.