Here are the detailed specifications for the TAG Heuer Connected Calibre E4 "Bright Black" 45mm (ref. SBR8A83.BT6302). Core Product Specs · Case Size & Thickness: 45mm diameter, 15.27mm thick (Fits wrists ~15-21cm) . · Material & Finish: Grade 2 Titanium with black DLC coating, sandblasted finish . · Bezel: Fixed ceramic bezel in black . · Water Resistance: 50 meters (suitable for swimming) . Display & Hardware · Screen: 1.39-inch AMOLED, resolution 454x454 pixels (326ppi), always-on capable . · Protection: Sapphire crystal (highly scratch-resistant) . · Chipset: Qualcomm Snapdragon Wear 4100+ . · Connectivity: Bluetooth 5.0, Wi-Fi, NFC (for contactless payments), GPS/GNSS . Battery & OS · Capacity: 440 mAh . · Charging: 0% to 100% in 1 hour 30 minutes (proprietary 4-pin dock) . · OS: Wear OS by Google . · Compatibility: Android 8.0+ (excluding Go edition) & iOS 15.0+ . Materials & Strap · Case: DLC-coated Titanium . · Strap: Hybrid design (black calfskin leather lined with rubber) . · Clasp: Folding buckle with push-buttons, made of sandblasted Titanium .