Seahorse 150m Aqua Terra Observatory 41mm: 1. Exclusive market natural options with adhesive tape available. 2. Made of stainless steel, the horizontal teak dial stands out uniquely. 3. Screw-in embossed crown features a brand new conical design for easier adjustment. 4. The side is finely brushed, and the case back has a new wave design. 5. Equipped with the black rotor modified 2824 to 8900 movement, offering bi-directional energy storage that is precise and reliable! 6. Top and bottom sapphire crystal with anti-reflective coating, capable of anything from land to sea!