Size Mens Case Material Stainless Steel Dial Color Black Bracelet/Strap Stainless Steel Polished Clasp Type Deployant Clasp Movement Manual Wind Screw Down Crown No Crystal Scratch Resistant Sapphire Case Back Transparent Water Resistant 30m/99ft Case Diameter 29.9mm X 41.6mm (48.50mm incl. lugs) Case Thickness 10.30mm Warranty Prestige Time Warranty - 2 Year Jaeger LeCoultre 373.81.70 Complete Details: This watch features: •Polished finished stainless steel case & linked bracelet. •Black dial with guilloche textured center. •White painted Arabic Numerals with silver hands. •Small seconds sub-dial located at the 6 o'clock position. •Time adjustment: This watch features two time-correction settings, the first being the traditional minute & hour correction (when the crown is pulled out to the last position). The 2nd allowing for an incremental change of the hour-hand only without adjusting the minute hand. This is particularly useful when changing time-zones. •JLC caliber 976, beats at 28,800 vph, contains 19 jewels, composed of 151 components & has an approximate power reserve of 48 hours. •As with all JLC watches this watch has undergone a rigorous 1000 (41 days) test before leaving the factory. •Case flips over to reveal a transparent case back showcasing the movement with linear Coates de Geneva finish. This watch is also known as q3738170, 3738170, q373.81.70