Apple Watch SE 2 GPS 44mm

The Apple Watch SE 2nd Generation (GPS, 44mm) , providing a bigger screen and slightly increased battery capacity while sharing the identical internal hardware as the 40mm version.

The full official technical specifications for this 44mm GPS configuration include:

Design & Display

Case Size: 44mm aluminum case paired with a color-matched nylon composite back case (available in Midnight, Starlight, and Silver).
Display Type: Retina LTPO OLED display with a flat Ion-X front glass.
Resolution: 368 by 448 pixels, offering a significantly larger viewable area than the 40mm model.
Brightness: Up to 1,000 nits peak brightness.
(Note: This model does not feature an Always-On display; the screen wakes up via tap or wrist raise).

Performance & Hardware

Processor: S8 SiP (System in Package) with a 64-bit dual-core processor.
Storage: 32GB internal capacity for local apps, music playlists, and audiobooks.
RAM: 1GB.
Interface: Tactile Digital Crown with haptic feedback alongside a dedicated physical side button.

Battery & Power

Battery Life: Up to 18 hours of standard all-day runtime on a single charge. (The 44mm chassis contains a physically larger battery cell, making it slightly more resilient under heavy workout tracking than the 40mm).
Charging Interface: Magnetic charging puck via standard cable (charges up to 80% capacity in roughly 1.5 hours).

Health, Vitals & Sensors

Heart Tracking: Second-generation optical heart sensor supporting high/low heart rate warnings and irregular rhythm notifications.
Daily Logging: Step counting, calorie burn tracking, active workout metrics, and multi-stage sleep monitoring.
Safety Features: High-g accelerometer and upgraded gyroscope enabling Crash Detection, Fall Detection, and Emergency SOS.
(Note: This model does not include blood oxygen monitoring, ECG apps, or wrist temperature sensors).

Durability & Fit

Physical Dimensions: 44 mm (Height) x 38 mm (Width) x 10.7 mm (Depth).
Weight: 32.9 grams (chassis without the strap).
Water Protection: Rated WR50 (water resistant up to 50 meters under ISO standard 22810, safe for pool or shallow-water ocean swimming).
Wrist Compatibility: Universally fits wrists ranging from 140mm to 220mm.

Connectivity

Wireless Protocols: L1 GPS architecture (GNSS, Galileo, and QZSS frameworks), Wi-Fi 4 (802.11n), and Bluetooth 5.3.
Phone Tethering: GPS only. It handles phone calls, texts, and app notifications as long as your iPhone is nearby.
Extra Tools: Supports Apple Pay wireless transactions and GymKit equipment matching.