Whether the product parameters are classic models: Yes...Applicable gender: Male...Origin: Switzerland...Movement type: Automatic machinery...Bottom: Others...Diamond-set: None...Strap color: silver/gold...Warranty: Global Warranty...Strap Material: stainless steel/18K gold PVD coating...Dial color: black...Dial shape: round...Water resistance: 300m...Case material: stainless steel/18K gold PVD coating...Brand name: Longines...Brand story LONGINES Longines watch The brand originated from Saint Imier in Saint-Imier Valley, Switzerland in 1832, and has a long history of 175 years. 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. Commodity Display Brand: Longines/Longines Series: Concas Series Model: L3.742.3.56.7 Style: Fashion Shape: Round Color: Brand New Warranty: Global Warranty Brand Origin: Switzerland Popular Elements: Gold Movement Type: Mechanical Machine Core-automatic mechanical movement Strap material: Metal Dial thickness: 12mm Color classification: 41mm gold and black disc Automatic mechanical model-L3.742.3.56.7 Dial diameter: 41mm Case material: Metal Item number: L3.742.3.56.7 Additional functions : Luminous display method: Pointer watch type: Male crown type: screw-in bottom type: common buckle style: single folding buckle waterproof depth: 300m watch mirror material: artificial synthetic sapphire Differences, do not accept returns and exchanges on the warranty date