Produced by SJ .VS New Product: An Excellent Choice for Daily Wear - Omega Seamaster 150m PQ1 Aqua Terra Observatory 41mm .1: Screw-in crown with relief carving technology, brand new conical design for easier adjustments .2: Exquisite brushed finish on the side, the case back features a new wave design .3: Equipped with VS self-manufactured 1:1 movement, bidirectional power reserve, precise and reliable! .From land to sea, nothing is impossible! S1 delicately recommends this men's mechanical watch.