Tissot Seastar 1000 Powermatic 80 The Tissot Seastar 1000 Powermatic 80 watch shown in the picture (with the gradient green dial) is a luxurious and high-performance Swiss dive watch. Movement Type: Swiss Automatic. Movement System: Powermatic 80.111. Power Reserve: Up to 80 hours (continues to work accurately even if not worn for 3 days). Movement Features: Features the patented Nivachron™ hairspring, resistant to magnetic fields and shocks. 📐 Case and Design (Body) Material: High-quality 316L Stainless Steel. Diameter: 43 mm. Thickness: 12.7 mm. Crystal: Scratch-resistant Sapphire Crystal with anti-reflective coating. Bezel: Luxurious black ceramic, resistant to wear and scratches, rotates counter-clockwise in one direction. Case Back: See-through case back allowing visibility of the internal movement, screw-down to ensure sealing. Crown: Screw-down, tightly sealed to protect the watch from water ingress. Dial and Indices Dial Color: Gradient green (starts light in the center and graduates to black at the edges). Luminous Material: Hands and indices coated with Super-LumiNova® for excellent visibility and clear reading in the dark depths. Date: Date display window located at the 6 o'clock position. 🌊 Water Resistance and Durability Water Resistance: Up to 300 meters (30 bar / 1000 feet), making it ideal for water sports and professional diving. 🔗 Bracelet and Clasp Bracelet: Silver-colored stainless steel bracelet. Features: Water Resistant Material: Stainless Steel Brand: Tissot