Omega Pre-owned Seamaster Diver 300M Beijing 2022 42 mm with a blue dial. Used (very good) — Rank A: a few traces of usage; glass, dial and hands show no scratches; case, bezel, crown, case back and bracelet show only insignificant scratches and minimal band dirt. Includes inner box, outer box and warranty; before purchasing, please refer to the images for accessories and exact condition. Key attributes: Blue | Stainless steel | Water resistance 300 metres / 30 bar | Self-winding (automatic) movement | Master Chronometer certified (anti-magnetic up to 15,000 gauss) | 55-hour power reserve | Chronometer precision | Unidirectional rotating bezel | Screw-in crown | Helium escape valve | Date display | Foldover clasp with comfort setting and diver extension | NAIAD LOCK caseback | Sun-brushed blue ceramic dial with laser‑engraved wave pattern | Rhodium-plated indexes and hands filled with Super-LumiNova | Polished and brushed stainless steel case and bracelet | Beijing 2022 special-edition minute markers and stamped caseback emblem | Grade 5 titanium bezel ring | Dimensions & fit: Regular fit | Adjustable bracelet with diver extension; see images for exact fit | Composition & care: Stainless steel (case) | Stainless steel (bracelet) | Grade 5 titanium (bezel ring) | Sapphire crystal | Ceramic (dial) | Wipe clean with a soft cloth. Avoid strong chemicals and extreme temperatures. Have water resistance pressure-tested before swimming or diving. Service by an authorized technician as recommended.