The Apple Watch Series 6 40mm, released in September 2020, was Apple's flagship smartwatch, offering a blend of advanced health monitoring, a brighter display, and improved performance over its predecessors. This compact 40mm model is designed for users seeking a powerful yet stylish wearable that seamlessly integrates into the Apple ecosystem.

Key Features and Health Monitoring

The Apple Watch Series 6 40mm introduced significant health-focused advancements. A standout feature is the blood oxygen sensor, allowing users to measure their blood oxygen saturation (SpO2) levels directly from their wrist using the Blood Oxygen app. This capability, along with the ECG app, provides users with deeper insights into their overall health and fitness. The Series 6 also boasts an always-on Retina display that is 2.5 times brighter outdoors, ensuring better visibility of metrics and notifications even in direct sunlight.

Other notable features include:

• S6 SiP (System in Package) processor: This chip offers up to 20% faster performance than the Series 5's S5 chip, resulting in a snappier and more fluid user experience.
• Always-On Altimeter: For tracking elevation changes during activities like hiking or climbing.
• Fall Detection and Emergency SOS: Enhanced safety features that can detect hard falls and automatically contact emergency services if the user is unresponsive.
• Sleep Tracking: Allows users to monitor their sleep patterns, contributing to a more comprehensive understanding of their well-being.
• Water Resistance: Rated for 50 meters, making it suitable for shallow-water activities like swimming.
• U1 Ultra Wideband Chip: Enables precise spatial awareness for features like the forthcoming Car Key functionality.

Design, Display, and Customization

The 40mm Apple Watch Series 6 is available in a range of finishes and materials, including aluminum, stainless steel, and titanium. The aluminum models come in several colors such as Silver, Space Gray, Gold, Blue, and (PRODUCT)RED. The display is a Retina LTPO OLED with a brightness of 1000 nits, and the 40mm version has a resolution of 324 by 394 pixels. Users can personalize their watch with a vast array of bands and watch faces, allowing for a truly customized look and feel.

Battery Life and Charging

Apple stated an all-day battery life of up to 18 hours for the Series 6, a figure that has remained consistent with previous generations. In real-world testing, the battery life often exceeded this estimate, with some users reporting up to 24 hours of use with features like the always-on display and GPS tracking enabled. The Series 6 also supports faster charging compared to the Series 5, reaching 80% in about 45 minutes and a full charge in approximately 75 minutes. However, for users who engage in sleep tracking, daily charging is often necessary to ensure the watch is powered for the next day.

Performance and Connectivity

Powered by the S6 SiP, the Apple Watch Series 6 40mm offers a noticeable performance boost, making app navigation and task execution smoother and faster. It supports Wi-Fi (including 5GHz band support) and Bluetooth 5.0, ensuring robust connectivity with iPhones and other devices. The GPS model allows for phone-free navigation and workout tracking, while the GPS + Cellular model offers the added benefit of making calls, sending texts, and streaming music without a nearby iPhone.

Apple Watch Series 6 40mm vs. Other Models

When compared to the Apple Watch SE, the Series 6 generally offers more advanced health features, such as ECG and blood oxygen monitoring, as well as an always-on display. The SE, however, is a more budget-friendly option that still provides core smartwatch functionalities. Compared to the Series 7, the Series 6 has a slightly smaller screen, but it still offers many of the same core features, making it a compelling option even after the release of its successor.

Frequently Asked Questions (FAQ)

Is the Apple Watch Series 6 40mm still worth buying?

For users seeking advanced health features like ECG and blood oxygen monitoring, along with a premium build and performance, the Apple Watch Series 6 40mm remains a capable device, especially if found at a good price. However, newer models offer larger screens and updated features.

What is the battery life of the Apple Watch Series 6 40mm?

Apple rates the battery life at up to 18 hours. Real-world usage can vary, but many users report getting through a full day, and often longer, especially with optimized settings.

Does the Apple Watch Series 6 40mm have GPS?

Yes, the Apple Watch Series 6 is available in both GPS-only and GPS + Cellular models.

Can the Apple Watch Series 6 40mm be used for swimming?

Yes, the Apple Watch Series 6 has a water resistance rating of 50 meters, making it suitable for swimming in pools or the ocean.

What are the main differences between the Series 6 and the SE?

The Series 6 offers an always-on display, ECG capabilities, and blood oxygen monitoring, which the SE lacks. The SE is generally more affordable.

Conclusion

The Apple Watch Series 6 40mm was a significant upgrade upon its release, bringing advanced health sensors and a brighter display in a compact form factor. While newer models have since been released, it continues to offer a robust set of features for health tracking, fitness, and everyday connectivity. Its blend of performance, design, and health capabilities makes it a worthwhile consideration, particularly for those who prioritize comprehensive health monitoring and a premium smartwatch experience.