The aluminum case is lightweight and made from 100 percent recycled aerospace-grade alloy. The Sport Band is made from a durable yet surprisingly soft high-performance fluoroelastomer, with an innovative pin-and-tuck closure.

Dimensions:

• Height: 40 mm
• Width: 34 mm
• Depth: 10.4 mm
• Case Weight (GPS): 30.5 g

Warranty - Standard one-year company(vendor) warranty from the date of purchased. Review your Apple warranty status by entering the serial number from the coverage check at apple.com.

Series 6 (GPS) Features:

• GPS/GNSS
• Compass
• Always-on altimeter
• Water resistance to 50 meters
• Blood oxygen sensor (Blood Oxygen app)
• The second-generation optical heart sensor
• International emergency calling
• Emergency SOS
• Accelerometer up to 32 g-forces with fall detection
• Gyroscope
• Ambient light sensor
• Speaker 50 percent louder
• Microphone (enables Noise app)
• Apple Pay
• GymKit
• 32GB capacity
• Ceramic and sapphire crystal back
• 40-mm (324 by 394 pixels, 759‑sq‑mm display area)
• 44-mm (368 by 448 pixels, 977‑sq‑mm display area)
• Always-On Retina LTPO OLED display (1,000 nits brightness)
• Ion-X glass display on aluminum cases; sapphire crystal display on stainless steel and titanium cases
• S6 SiP with 64-bit dual-core processor, up to 20 percent faster than S5
• W3 Apple wireless chip
• U1 chip (Ultra Wideband)
• Wi-Fi (802.11b/g/n 2.4GHz and 5GHz)
• Bluetooth 5.0
• Built-in rechargeable lithium-ion battery up to 18 hours
• Magnetic charging cable