Apple Watch SE (1st Generation) – Essential Health & Fitness Smartwatch

100% Official Specs | China Release Version

Discover the original Apple Watch SE (1st Generation), officially released in China in 2020. Designed for users seeking reliable smartwatch functionality without unnecessary complexity, it delivers essential health monitoring, accurate fitness tracking, and everyday connectivity. Built with a durable aluminum case, Retina OLED display, and Apple’s trusted safety features, Apple Watch SE (1st Generation) fully aligns with Apple’s official product definition for this model.

Core Selling Points (100% Matched with Official Specs)

• Retina LTPO OLED display (non-Always-On) with Ion-X strengthened glass
• Essential health tracking with continuous heart rate monitoring and sleep tracking
• All-day battery life of up to 18 hours under typical use
• S5 SiP with 64-bit dual-core processor and 32GB internal storage
• 50-meter water resistance, suitable for swimming
• GPS positioning with optional Cellular (LTE) version
• Safety features including Fall Detection and Emergency SOS
• Comprehensive workout tracking with Activity Rings

Design & Dimensions (Official China Data)

Case Material

• Aluminum case

Color Options (Official China Names)

• Silver
• Space Gray
• Gold

Size Variants

44mm Model
• Height: 44mm
• Width: 38mm
• Depth: 10.7mm
• Weight (GPS): 36.20 g
• Weight (GPS + Cellular): 36.36 g
• Fits wrists approximately 140–245mm

40mm Model
• Height: 40mm
• Width: 34mm
• Depth: 10.7mm
• Weight (GPS): 30.49 g
• Weight (GPS + Cellular): 30.68 g
• Fits wrists approximately 130–200mm

• Band compatibility: Compatible with all Apple Watch bands of matching size

Note: Actual size and weight may vary slightly depending on manufacturing process and measurement method.

Craft Details (Official Description)

• Front: Retina display with Ion-X strengthened glass
• Controls: Digital Crown with haptic feedback and side button
• Audio: Built-in speaker and microphone for calls, Siri, and voice interactions
• Rear case: Integrated optical heart sensor and motion sensors

Display – Retina OLED (Official Specifications)

• Display type: Retina LTPO OLED display
• Always-On Display: Not supported

Display Area and Resolution
• 44mm model:
– Display area: 977 sq mm
– Resolution: 368 × 448 pixels

• 40mm model:
– Display area: 759 sq mm
– Resolution: 324 × 394 pixels

• Pixel density: 326 ppi
• Maximum brightness: Up to 1000 nits

• Display features:
– Multi-touch input
– Customizable watch faces

Health & Wellness Features (Official – SE 1st Generation)

Core Sensors

• Second-generation optical heart sensor
• High-g accelerometer (up to 32 g-force)
• Gyroscope
• Ambient light sensor
• Compass
• Always-on altimeter

Health Tracking Functions

• Heart Rate app with continuous monitoring
• High and low heart rate notifications
• Irregular rhythm notifications
• Sleep tracking
• Noise app for environmental sound monitoring
• Mindfulness app for guided breathing
• Cycle Tracking app

Note: Apple Watch SE (1st Generation) does not support ECG, blood oxygen measurement, or wrist temperature sensing.

Fitness & Workout Capabilities

• Built-in workout modes including:
– Outdoor and indoor running
– Walking
– Cycling
– Swimming (pool and open water)
– Hiking
– Yoga
– Functional strength training
– HIIT
– Dance
– Wheelchair workouts

• Activity Rings for Move, Exercise, and Stand goals
• Automatic workout detection
• Real-time metrics such as calories, distance, pace, and heart rate
• GymKit compatibility

Safety & Emergency Features

• Emergency SOS
• International emergency calling on Cellular models
• Fall Detection
• Medical ID
• Environmental noise monitoring

Performance & Storage (Official Configuration)

• Chip: S5 SiP
– 64-bit dual-core processor

• Storage capacity: 32GB

• Siri voice interaction
• Raise-to-wake and touch-based controls

Battery & Charging

• Battery type: Built-in rechargeable lithium-ion battery

• Battery life:
– Up to 18 hours with typical daily use

• Charging method:
– Apple Watch Magnetic Charging Cable

Battery life varies depending on usage, configuration, and network conditions.

Connectivity & Compatibility

All Models

• Wi-Fi 802.11b/g/n (2.4GHz)
• Bluetooth 5.0
• GPS with support for GPS, GLONASS, Galileo, and QZSS
• Apple Pay
• GymKit

GPS + Cellular Models

• LTE and UMTS connectivity
• eSIM support
• International roaming (carrier dependent)

Device Compatibility

• Requires iPhone 6s or later
• Requires a compatible version of iOS

Durability & Environmental Requirements

• Water resistance rating: 50 meters (ISO 22810:2010)
• Suitable for swimming and shallow-water activities
• Not suitable for scuba diving or high-velocity water sports

In the Box (Official Packaging)

• Apple Watch SE (1st Generation) aluminum case