Model:                Watch Series 7 Aluminium 45MM Cellular
Category:            Pre-Owned (Original)
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• Display: 45mm case, Always-On Retina LTPO OLED display (up to 1000 nits).
• Design: Durable Aluminum case with Ion-X front glass, making it the most crack-resistant Series 7.
• Connectivity: GPS + Cellular (LTE and UMTS) allowing phone-free usage.
• Health & Fitness: Blood oxygen sensor (\(SpO_{2}\)), electrical heart sensor (ECG), optical heart sensor, and activity tracking for dozens of workouts.
• Performance: S7 64-bit dual-core processor, W3 Apple wireless chip, U1 Ultra Wideband chip.
• Battery: Up to 18 hours, with improved fast charging (USB-C).