Seahorse 150m Aqua Terra Observatory 41mm.1: Market exclusive, natural options for strap selection.2: Made of stainless steel, the horizontal teak dial stands out as unique.3: Screw-in sculpted crown with a brand new conical design for easier adjustment.4: Exquisite brushed finishes on the sides, with a new wave design on the case back.5: Equipped with the black rotor modified 2824 to 8900 movement, featuring bi-directional energy storage precise and reliable! .6: Top and bottom sapphire glass with anti-reflective coating, capable of handling everything from land to sea!