Longines Master Collection Automatic Silver Dial Men's Watch L2.908.4 Longines FLAGSHIP Men's 40mm Automatic Black Strap Watch L4.984.4.59.2 Longines Record Automatic Chronometer Black Dial Men's Watch L2.820.4 Longines Master Collection Automatic 38.5mm Silver Dial Leather Strap. SHAPERound MATERIALStainless steel and 18 karat pink gold cap 200 GLASSScratch resistant sapphire crystal, with several layers of anti reflective coating on the underside CASE BACKTransparent case back with sapphire crystal DIMENSION?? 40. 00 mm LUG DISTANCE20 mm THICKNESS10. 80 mm WATER RESISTANCEWater resistant to 3 bar WEIGHT73. 4 g DIAL COLOURBlack lacquered polished HOUR MARKERSDiamond indexes HANDSPink hands DIAMONDSDial set with 13 Top Wesselton VS SI diamonds, for a total of 0. 059 carats MOVEMENT TYPEAutomatic CALIBERL888. 4 MOVEMENT DESCRIPTIONSelf winding mechanical movement beating at 25'200 vibrations per hour, with a monocrystalline silicon balance spring power reserve of approximately 72 hours FUNCTIONSHours, minutes, seconds and date SPECIAL FUNCTIONSChronometer certified by the COSC LONGINES EXCLUSIVE CALIBREYes TOPAlligator leather UNDERSIDECalf leather COLOURBlack BUCKLEWith triple safety folding clasp and push piece opening mechanism PRODUCT INFORMATION Sex: Male Designs: Faceround Machine Type: Automatic Chronometer (COSC Standard Automatic Movement) Style: Luxurious Glass side: Sapphire Diameter: 38. 5mm Shell material: Stainless Steel 316L 18K Gold Thickness: 10. 7mm Wire material: Leather cord Strap Size: 19mm Water resistance: 30m Lug to Lug: 47mm Other function: Attach 13 diamonds at the positions of the number markers. Daily calendar