Longines, a long tradition watch company, has produced exceptional timepieces since its beginnings. Today, The Longines Master Collection is the perfect representation of the brands philosophy, as demonstrated by the success that this line has gained since its presentation in 2005. Shape: RoundMaterial: Stainless steelGlass: Anti-scratch sapphire crystalCase: Transparent sapphire crystal caseSize: Ø 40.00 mmDistance between the bends: 21 mmThickness: 14.30 mmWater resistance: Waterproof up to 3 barWeight: 93.7 gColor dial: SilvergrainTour of hours: Arabic numerals paintedHands: Blue steel handsType of movement: AutomaticFunction: Hours, minutes, small seconds with indicator of 24 hours at 9. Indication of the date by means of a half-light central hand. Moon phase indicator at 6 oclock.Caliber: L687Description of movement: Automatic mechanical movement with frequency of 28800 hourly alternations and charge reserve of about 66 hoursSpecial function: Moon phasesChronograph: Chronograph with column wheel movementChronograph functions: Chronograph mechanism: 60-second central hand, lunar stage display with 12-hour counter and 30-minute counter with day and date display at 12 oclockBracelet/Cinturino: StrapMaterial: Alligator strapColor: BrownBuckle: With triple safety and pressure opening mechanism.