Eterna KonTiki Watch pairs a 36 mm stainless steel case with a sapphire crystal and precise quartz movement for reliable everyday wear. Key attributes: Silver | Black | Stainless steel | Scratch-resistant sapphire crystal | Quartz movement | Date display | Pin buckle closure | Black leather strap | Dimensions & fit: Case diameter 36 mm | Composition & care: Stainless steel | Leather | Wipe case and crystal with a soft cloth. Avoid prolonged exposure to water and contact with chemicals. For leather strap, avoid moisture and clean with a dry cloth.