Apple Watch Series 8 (GPS + Cellular 45mm) Smart watch - Graphite Stainless Steel Case with Graphite Milanese Loop

Overview

Stay connected, understand your health and keep important information on your wrist with the Apple Watch Series 8 GPS + Cellular 45mm in Graphite Stainless Steel with Graphite Milanese Loop.

Combining a premium Graphite PVD stainless-steel case, sapphire crystal display protection and matching stainless-steel Milanese Loop, this configuration delivers a more refined finish than the standard aluminium models while retaining the advanced fitness, health and communication features of Apple Watch Series 8. Apple confirms the 45mm stainless-steel Cellular model weighs approximately 51.5g before the strap is added.

With GPS + Cellular connectivity, you can use compatible mobile-network features for calls, messages, streaming and notifications even when your iPhone is not immediately beside you. The Always-On Retina OLED display reaches up to 1,000 nits, while ECG, blood oxygen sensing, temperature sensing, Crash Detection and comprehensive workout tracking help turn the watch into a powerful everyday health and activity companion.

This exact UK Graphite Stainless Steel / Graphite Milanese Loop 45mm configuration is MNKX3B/A, EAN 194253183570.

Key Features & Benefits

• Stay Connected Without Constantly Reaching for Your iPhone – Built-in GPS + Cellular LTE connectivity allows supported calls, messages, notifications and compatible services to work through a mobile plan even when your paired iPhone is not nearby. Network activation and a compatible carrier plan are required.
• See Important Information Without Raising Your Wrist – The Always-On Retina LTPO OLED display keeps key information visible while reaching up to 1,000 nits of brightness, making notifications, workout statistics and watch faces easy to check throughout the day.
• Enjoy More Screen Space on the 45mm Model – The larger display provides a 396 × 484 resolution and 1,143mm² viewing area, giving messages, fitness metrics and apps more room to breathe.
• Bring a More Premium Finish to Your Wrist – The Graphite PVD stainless-steel case pairs with durable sapphire crystal and a matching Graphite Milanese Loop, delivering an elegant metal-on-metal appearance suitable for work, evening wear and everyday use.
• Monitor Your Heart Rhythm from Your Wrist – The built-in electrical heart sensor supports Apple's ECG app, providing the ability to record an ECG-style reading where the feature is available and appropriate. Health functions should not replace professional medical assessment.
• Keep Track of Your Heart Rate Throughout the Day – Apple's third-generation optical heart sensor supports continuous health and fitness monitoring, helping track heart rate during everyday activity and compatible workouts.
• Gain Additional Wellness Insight with Blood Oxygen Sensing – The integrated blood oxygen sensor supports Apple's Blood Oxygen functionality in supported regions, helping provide another wellness metric alongside heart rate, activity and sleep information.
• Gain Deeper Insight into Overnight Health Trends – Series 8 introduced temperature sensing, which works with compatible health features to provide additional retrospective wellness information and cycle-tracking insights.
• Get Help After a Serious Car Accident – Crash Detection uses the high-g accelerometer and high-dynamic-range gyroscope alongside other device data to detect certain severe vehicle crashes and can help initiate emergency assistance when required.
• Receive Assistance After a Hard Fall – Fall Detection and Emergency SOS provide additional reassurance during workouts and everyday life, helping connect you with emergency services in supported circumstances.
• Track Workouts Without Carrying Separate Equipment – Integrated GPS, GLONASS, Galileo, QZSS and BeiDou positioning enables accurate route and distance tracking across compatible outdoor workouts.
• Take It Swimming with Confidence – Apple Watch Series 8 carries 50-metre water resistance under ISO 22810:2010, making it suitable for shallow-water activities such as pool and open-water swimming. It is not intended for scuba diving or high-velocity water sports.
• Better Protected Against Everyday Dust – IP6X dust resistance adds another level of protection for active everyday use.
• Keep More Apps, Music and Content on Your Watch – 32GB internal capacity provides local space for supported applications, music and watch data.
• Enjoy Responsive Everyday Performance – Apple's S8 SiP with 64-bit dual-core processor, W3 wireless chip and U1 Ultra Wideband chip help provide smooth interactions and integration within the Apple ecosystem.
• Connect to Modern Accessories and Networks – Wi-Fi on both 2.4GHz and 5GHz, Bluetooth 5.3 and LTE/UMTS connectivity give the Cellular model flexible wireless communication options.
• Pay Straight from Your Wrist – Apple Pay lets you make supported contactless payments without taking your wallet or iPhone out of your pocket.
• Stay Powered Through a Typical Day – Apple rates Series 8 for up to 18 hours of normal use, while Low Power Mode can extend usable time further depending on settings and usage.
• Recharge Conveniently with USB-C Fast Charging – The watch is supplied with an Apple magnetic fast-charging USB-C cable, making short top-ups easier when paired with a compatible USB-C power source.

Why Choose This Product

The Apple Watch Series 8 Graphite Stainless Steel 45mm is particularly appealing to customers who want advanced Apple Watch functionality without the more casual appearance of an aluminium sports configuration.

The Graphite stainless-steel case and Graphite Milanese Loop give the watch a sophisticated finish that works naturally with business clothing and smarter outfits while still being ready for workouts, swimming and everyday activity. Sapphire crystal over the display also provides a more premium screen material than the Ion-X glass used on aluminium Series 8 versions.

Functionally, the combination of Cellular connectivity, GPS, ECG capability, heart-rate tracking, blood oxygen sensing, Crash Detection and an Always-On display means the watch can act as a communication device, fitness tracker and everyday health companion from one compact wearable.

For iPhone users looking for a smartwatch that feels equally appropriate during a workout, in the office or on an evening out, this Graphite Stainless Steel configuration offers an excellent balance of technology, connectivity and premium design.

Specifications