Apple

Apple MR9A3LL/A Watch Series 9 GPS 45mm Smartwatch

4.7 (527 reviews)

Stay Connected and Healthy with Apple Watch Series 9 The Apple Watch Series 9 is more powerful than ever before. With the S9 chip, a superbright display, and advanced health features, it's your essential companion for a healthy life. Track your fitness, monitor your health, and stay connected wit...

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*Price sourced from Amazon.com. Last updated:Jun 27, 2026.Price and availability are subject to change.

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Overview

Stay Connected and Healthy with Apple Watch Series 9

The Apple Watch Series 9 is more powerful than ever before. With the S9 chip, a superbright display, and advanced health features, it's your essential companion for a healthy life. Track your fitness, monitor your health, and stay connected with notifications on the go. Plus, it's carbon neutral when paired with the latest Sport Loop.

Specifications:

  • GPS: Built-in GPS
  • Case Size: 45mm
  • Operating System: Watch OS
  • Memory Storage Capacity: 16 GB
  • Connectivity Technology: Wi-Fi
  • Special Features: Cycle Tracking, Activity Tracker, Voice Control, Heart Rate Monitor
  • Durability: Crack Resistant, IP6X-Certified Dust Resistant, Swimproof with 50m Water Resistance

Key Features

WHY APPLE WATCH SERIES 9 — Your essential companion for a healthy life is now even more powerful. The S9 chip enables a superbright display and a magical new way to quickly and easily interact with your Apple Watch without touching the screen. Advanced health, safety, and activity features provide powerful insights and help when you need it. And redesigned apps in watchOS give you more information at a glance.

CARBON NEUTRAL — An aluminum Apple Watch Series 9 paired with the latest Sport Loop is carbon neutral. Learn more about Apple’s commitment to the environment at apple.com/2030.

ADVANCED HEALTH FEATURES — Keep an eye on your blood oxygen. Take an ECG anytime. Get notifications if you have an irregular heart rhythm. See how much time you spent in REM, Core, or Deep sleep with sleep stages. Temperature sensing provides insights into overall wellbeing and cycle tracking. And take note of your state of mind to help build emotional awareness and resilience.

A POWERFUL FITNESS PARTNER — The Workout app gives you a range of ways to train plus advanced metrics for more insights about your workout performance. And Apple Watch comes with three months of Apple Fitness+ free.

INNOVATIVE SAFETY FEATURES — Fall Detection and Crash Detection can connect you with emergency services in the event of a hard fall or a severe car crash. And Emergency SOS lets you call for help with the press of a button.

SIMPLY COMPATIBLE — It works seamlessly with your Apple devices and services. Unlock your Mac automatically. Get approximate distance and directions to your iPhone with Precision Finding on supported iPhone models. Pay and send money with Apple Pay. Apple Watch requires iPhone XS or later with the latest iOS version.

EASILY CUSTOMIZABLE — With watch bands in a range of styles, materials, and colors and fully customizable watch faces, you can change your watch to fit your mood or the moment.

INCREDIBLE DURABILITY — Tougher than tough. It’s crack resistant, IP6X-certified dust resistant, and swimproof with 50m water resistance.

STAY CONNECTED — Send a text, take a call, listen to music and podcasts, use Siri, and get notifications on the go. Apple Watch Series 9 (GPS) works with your iPhone or Wi-Fi to keep you connected.

LEGAL DISCLAIMERS — This is a summary of the main product features. See below to learn more.

Specifications

Model
Apple Watch Series 9 GPS
Case Size
45mm
Chip
S9
Display Brightness
Superbright
Interaction Feature
Double-tap gesture
Health Features
Blood oxygen, ECG, irregular heart rhythm, sleep stages, temperature sensing, cycle tracking, state of mind
Safety Features
Fall Detection, Crash Detection, Emergency SOS
Fitness Features
Workout app, Apple Fitness+ (3 months free)
Durability
Crack resistant, IP6X-certified dust resistant, 50m water resistance (swimproof)
Compatibility
iPhone XS or later with latest iOS version
Connectivity
GPS, iPhone or Wi-Fi dependent for calls/texts

Pros & Cons

👍 Pros

  • Powered by the S9 chip, enabling a superbright display and a new double-tap gesture for quick and easy interaction without touching the screen.
  • Offers comprehensive health monitoring features including blood oxygen tracking, ECG capability, irregular heart rhythm notifications, and detailed sleep stage analysis.
  • Equipped with advanced safety features such as Fall Detection and Crash Detection, designed to connect with emergency services automatically, and Emergency SOS.
  • Provides a powerful fitness partner through the Workout app, featuring diverse training options and advanced metrics to enhance workout performance.
  • Boasts incredible durability, being crack resistant, IP6X-certified dust resistant, and swimproof with 50m water resistance, ideal for active users.

👎 Cons

  • Requires an iPhone XS or later with the latest iOS version for full compatibility, limiting use for users with older iPhone models or non-Apple smartphones.
  • The "Carbon Neutral" claim applies when paired with the latest Sport Loop, but the inclusion of this specific band with the watch is not stated.
  • While featuring a "magical new way to quickly and easily interact," specific real-world examples of this functionality are broadly described.
  • Advanced health functions such as blood oxygen and ECG are not intended for medical use and users should consult a doctor for health concerns.
  • This is a GPS-only model, meaning it relies on a connected iPhone or Wi-Fi for full connectivity for calls and messages on the go, unlike cellular models.

Frequently Asked Questions

The Apple Watch Series 9 GPS 45mm is powered by the S9 chip, enabling enhanced performance and new interaction methods.
It includes Fall Detection, Crash Detection, which can alert emergency services, and Emergency SOS for urgent situations.
Yes, it is swimproof with 50m water resistance, along with being crack resistant and IP6X-certified dust resistant for durability.
Yes, the S9 chip enables a magical new way to quickly and easily interact with your Apple Watch using a double-tap gesture without touching the screen.
It provides blood oxygen monitoring, ECG readings, irregular heart rhythm notifications, sleep stage tracking, and temperature sensing for overall well-being.