The Rado True Square Automatic Open Heart Unisex Watch R27086152 features a high-tech ceramic case and matching black bracelet. Its striking black open-heart dial reveals the intricate automatic movement. Measuring about 38mm to 40mm, it includes a scratch-resistant sapphire crystal, luminescent hands, and a titanium clasp. With water resistance up to 50 meters, it offers a sleek, modern design combined with advanced watchmaking. General Engravable: No Product name: True Square Automatic Open Heart SKU: R27086152 Movement Movement Type: Automatic Movement Power Reserve: 80 hours Movement Reference: 03.734.031 Case Case Materials: High-tech ceramic Case Thickness: 9.7 mm Case Water Resistance: 5 bar (50 m) Case Gender: Unisex Case Dimension: 38.0 mm Case Crystal: Sapphire crystal with anti-reflective coating Dial Dial Colour: Black Dial Skeleton / Open-Heart: No Dial Has Date: No Dial Has Jewels: No