Whether the product parameters are classic models: Yes... Applicable gender: Male... Buckle type: butterfly buckle... Origin: Switzerland... Buckle material: stainless steel... Movement type: automatic machinery... Mirror material: synthetic sapphire... Movement model: L899 ...Bottom: Back through...Diameter: 40.0 MM...Diamond: Scale with diamond...Strap color: silver...Warranty: Global Warranty...Strap material: stainless steel...Product model: L2.909.4.97.6...Dial color : Blue...Dial shape: Round...Waterproof performance: Waterproof for daily life...Case material: stainless steel...Brand name: Longines...Brand story LONGINES Longines watch brand originated from Saint Imier in Saint-Imier Valley, Switzerland in 1832, with a history of 175 years Long history. Longines watches, with the flying wing hourglass as the brand logo, is a watch manufacturer integrating tradition, elegance and sport. As a long-time World Athletics Championships timer and partner of the World Federation, Longines watches are renowned the world over for their elegant timepieces. Longines entered formula racing with craftsmanship and also partnered with Italian car brand Ferrari. Product Display Care Instructions
