Model: l2.640.4.78.5, collection Longines Mingjiang series, Case: round steel case, anti-wear sapphire crystal mirror, transparent sapphire crystal case back. Diameter: 47.50 millimeters. Water-resistant to 30 meters (about 100 feet). Movement: l512-type self-winding mechanical movement, vibration frequency of 21,600 times per hour to provide 53 hours of power reserve. Functions: hours, minutes show that 6 o'clock position of the small second disk. Dial: Silver polishing "grain of wheat" decoration, 11 when the standard black Arabic numerals, blue steel indicator. Bracelet: brown alligator leather strap,
replica rolex, folded-style safety clasp and push open the device.