Whether the product parameters are classic models: Yes... Applicable gender: Male... Buckle type: pin buckle... Origin: Switzerland... Buckle material: 18K gold... Movement type: automatic machinery... Mirror material: synthetic sapphire... Movement model: 2500 ...Certification: Certified by the Observatory...Bottom: Dense Bottom...Diameter: 39.5mm...Strap Color: Brown...Warranty: Global Warranty...Strap Material: Leather...Product Model: 424.53.40.20.02.001...Dial Color: Silver... Dial shape: round...Waterproof performance: Daily life waterproof...Case thickness: 10.12mm...Case material: 18K gold...Brand name: Omega...Brand story OMEGA Omega was born in 1848 by Louis Brandt The Omega marks a glorious achievement in the history of watchmaking. Its four high-profile series, Constellation, Seamaster, Speedmaster, and De Ville, are world-renowned for their excellent technology and design. Omega has been a pioneer in the watchmaking industry for 150 years with its advanced watchmaking technology. Brandt died in 1879, and his two sons took over the family business. His son transformed the Louis Brandt company into a watch manufacturing factory and moved the factory to the Biel area with sufficient manpower, abundant resources and convenient transportation. Louis Brandt once became the largest watch company in Switzerland. Product Display Care Instructions
