Apple's latest offering, the Apple Watch Series 9, is now available and comes in stainless steel or aluminum casing, with sizes of 41mm and 45mm. For the aluminum model, purchasers can opt for a WiFi-only model or one equipped with an eSIM, whereas the stainless steel variant always comes with an eSIM built-in. This smart wearable comes in a choice of five attractive colors: rose, black, gold, silver, and red. You can purchase the smaller variant starting from $399, with the larger model priced at $429. If you desire eSIM functionality, you'll need to part with an additional $100.

Our review piece is the aluminum Watch S9, featuring a 45mm case and the newly introduced Sport Loop, at no extra charge. The watch has a combination of black and dark blue hues, a blend that Apple fondly refers to as 'midnight'. It's crucial to note that this gadget is designed to work solely with iPhones. According to the manufacturer, the casing of our Apple Watch Series 9 unit is completely crafted from recycled aluminum. With a silicon-based coupon-type ION-X glass protecting the display, this product is designed for environmentally conscious users who prefer a reduced carbon footprint.

The Apple Watch Series 9, measuring 1.9 inches, has an impressive touchscreen responsive to a rotatable and pressable crown, a physical button, and a new double-tap action for operation. The smartwatch provides intuitive navigation through menus when the crown is rotated and a vibration motor reinforces this experience with tactile feedback. The Series 9 carries a certification of IP6X, making it suitable for sea swimming without any damage. Conversations are optimized by its built-in microphone and speaker.

The watch connects with an iPhone for configuration and comes preinstalled with the Watch App. This application offers a detailed guide through different functionalities of the app and the smartwatch during the setup process. Several of the settings can be synchronized with the paired smartphone or adjusted specifically for the smartwatch alone. The Watch App has three tabs labelled My Watch, Watch faces, and Discover, each offering various functionalities and options for user convenience.

The device offers clear communication with no background noise and excellent voice quality. Emails and notifications are displayed immediately and can be managed directly from the watch. Users can manually input phone numbers in the phone app provided, although a search function for contacts is currently unavailable. Also, while images are displayed in the notification center, they are blurred when viewed in WhatsApp.

The tech giant has outfitted its Apple Watch Series 9 with its voice assistant, Siri, which can respond to visual prompts on the smartwatch’s screen or audio prompts through the speaker. The watch keeps track of health data in the Apple Health app, offering extensive measurements, including ambient noise. As a distinct feature, the smartwatch warns the user of potential permanent damage when noise surpasses certain levels. An integrated fall sensor adds to the device's safety features by automatically calling emergency services if a fall is detected.

While the smartwatch has not received a total redesign, it does feature several improvements in terms of speed, battery life, and display. The gadget boasts one of the most luminescent smartwatch screens available today, delivering exceptional readability under multiple lighting conditions. Furthermore, the battery life has been enhanced significantly, enabling the device to run for up to two days when the Always on Display feature is deactivated. Overall, the Apple Watch Series 9 offers an array of options, detailed measurements, and seamless integration for iPhone users, making it a worthwhile purchase.