The outstanding work of GS - Rolex Oyster Perpetual Datejust 31mm series watch, beautiful but not flattering, long-lasting elegance! [Oyster case, symbol of waterproofing] The diameter of the watch is 31mm, the thickness is the same as the original, and the data is consistent with the genuine product 1. The classic Oyster case is equipped with a triangular grooved outer ring 2. The handle adopts a screw-in design to restore the double buckle lock Waterproof system 3. Watch mirror material - anti-scratch blue crystal glass, anti-reflective convex magnification (2.5 times) calendar window [Strap details] Different watch models are matched with different steel straps 1. Commemorative strap Jubilee Bracelet ( Five-bead belt) Material stainless steel, commemorative type, five rows of links 2. Oyster Bracelet (three beads) Material stainless steel, head type, semi-circular three-row links 3. Buckle type Folding buckle, concealed folding crown The buckle [movement] adopts the exquisite and stable Seiko NH05 movement, which is stable, simple, reserved, showy but not flattering, and long-lasting elegance! ,