Apple Watch Series 3

Apple Watch Series 3
Name	Apple Watch Series 3
Developer	Apple Inc.
Manufacturer	Quanta Computer
Family	Apple Watch
Release	September 2017
Discontinued	September 2020 (GPS), September 2022 (cellular)
Os	watchOS 4 (original)
Power	341 mAh (approx.)
Display	OLED Retina
Connectivity	Bluetooth 4.2, Wi‑Fi 802.11b/g/n, LTE (cellular models)
Predecessor	Apple Watch Series 2
Successor	Apple Watch Series 4

Apple Watch Series 3 The Apple Watch Series 3 is a smartwatch developed by Apple Inc. and announced at the September 2017 Apple event. Positioned as the third-generation model in the Apple Watch line, it introduced optional cellular connectivity and performance upgrades while retaining a form factor similar to prior models. The Series 3 targeted consumers interested in mobile communication, health care monitoring, and fitness tracking, and it competed with devices from Samsung Electronics, Garmin Ltd., Fitbit, and Fossil Group.

Introduction

Released alongside other Apple products like the iPhone X and iPhone 8, the Series 3 launched into markets that had rapidly expanded for wearables, joining a landscape populated by technology companies such as Google, Microsoft, Huawei, and Xiaomi. It aimed to bridge smartphone capabilities with wrist-worn convenience, leveraging Apple's ecosystem services including iCloud, Apple Music, and Apple Pay. The announcement featured executives including Tim Cook and events in venues historically used by Apple.

Design and Hardware

The Series 3 continued the rectangular case design introduced by earlier Apple Watch generations, using materials associated with Apple hardware like aluminum, stainless steel, and ceramic finishes. The device housed an Apple-designed dual-core S3 processor and a W2 wireless chip, improving performance and power efficiency compared with the S2 and competitors such as Qualcomm-based wearable platforms and MediaTek modules. The OLED Retina display retained support for Force Touch (later deprecated in watchOS) and integrated a barometric altimeter for elevation tracking. Physical controls included the digital crown and side button, echoing input methods from earlier Apple products including the iPod and Macintosh line.

Software and Features

Shipped with watchOS 4, the Series 3 supported features later expanded in watchOS updates from watchOS 5 through watchOS 9. Native apps integrated with services like Siri, Apple Music, and Apple Maps; third-party developers from companies such as Nike, Strava, and Spotify created companion apps. Notifications, complications, and glances were part of the user interface paradigm derived from Apple's human interface guidelines used across iOS and macOS. The device interoperated tightly with iPhones running compatible versions of iOS, leveraging Bluetooth and Wi‑Fi handoff mechanisms.

Cellular Connectivity and Models

A key distinction for Series 3 was the introduction of an LTE-enabled model carrying an embedded SIM architecture compatible with cellular carriers including Verizon Communications, AT&T, T-Mobile US, Vodafone, and EE Limited in various markets. The cellular model used an electronic SIM design and required carrier provisioning similar to smartphone plans offered by major operators such as Sprint Corporation (now part of T-Mobile US). Some regional regulatory and network hurdles affected rollout in markets governed by entities like the Federal Communications Commission and national telecommunications regulators. Non-cellular (GPS) variants provided Bluetooth and Wi‑Fi connectivity only.

Health and Fitness Tracking

Apple positioned the Series 3 as a health and fitness device with sensors and software aimed at exercise and wellness markets dominated by brands like Polar Electro, Suunto, and TomTom. Built-in optical heart rate sensing allowed resting, workout, and recovery heart rate measurements; workout tracking covered activities including running, cycling, and swimming with water resistance standards influenced by ISO guidelines. Features such as activity rings, stand reminders, and workout goals tied into HealthKit and integrations with healthcare institutions and research programs that collaborated with Apple on studies. Subsequent health capabilities in later models built upon the Series 3 sensor platform.

Reception and Sales

Upon release, reviews from technology outlets and publications compared the Series 3 to competing wearables from companies like Samsung Electronics and Fitbit; critics praised LTE functionality, integration with Apple services, and improved performance while noting battery life trade-offs on cellular models. Market analysts at firms such as IDC, Gartner, and Canalys tracked wearable shipments and cited the Series 3 as contributing to Apple's lead in smartwatch market share. Sales were influenced by carrier subsidies, retail programs at Best Buy, Apple Store locations, and seasonal promotions tied to events like Black Friday and holiday shopping.

Legacy and Succession

The Series 3 influenced later Apple Watch generations by establishing cellular as a mainstream option and by shaping software expectations for health and fitness on wrist platforms. It was succeeded by the Series 4 and later models that introduced larger displays, ECG capability, and enhanced sensors—developments covered in discussions involving medical device regulation and standards bodies such as the Food and Drug Administration and the European Medicines Agency. Discontinuation timelines paralleled Apple's product cycles and software support windows, with the Series 3 remaining notable for its role in popularizing smartwatch cellular connectivity across global carriers and retail channels.

Category:Apple Watch Category:Apple Inc. products