The Rear Housing Glass Cover for Apple Watch Series 8 (45mm) is the dedicated back glass panel housing the optical heart rate sensor lens, temperature sensor contact area, and wireless charging induction surface.
If your Apple Watch Series 8 back glass is shattered, cracked, or severely scratched—causing heart rate detection failures, ECG read errors, or unstable magnetic charging—this replacement part provides a clean, OEM-like fit to restore your smartwatch back to prime condition.
Key Features
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OEM-Fit Precision: Manufactured to exact factory tolerances for the 45mm Apple Watch Series 8 chassis for a seamless, flush installation.
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Optical & Temperature Sensor Clarity: Crystal-clear sensor glass maintains precise readings for optical heart rate, ECG, blood oxygen, and wrist temperature tracking.
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Smooth Wireless Charging Surface: Supports standard Apple Watch magnetic charging puck alignment and fast-charging capability.
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Durable Construction: Made from high-grade ceramic/glass composites designed to resist everyday wear, scratches, and sweat exposure.
Compatibility
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Apple Watch Series 8 – 45mm
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Model Numbers: A2771 / A2774 / A2775 (GPS & Cellular variants)
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(Note: Not compatible with 41mm Series 8 models, or Series 9/7/6/SE/Ultra).
Technical Specifications
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Product Type: Rear Glass Housing Panel / Back Cover Glass Assembly
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Size Compatibility: 45mm
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Condition: Brand New
Note for Technicians: Replacing the rear glass panel requires careful heating, removal of original adhesive, and precise alignment around internal sensor flex ribbon cables. Professional micro-repair tools and high-strength waterproof repair adhesive (e.g., B-7000 or T-7000) are strongly recommended for optimal sealing.
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