Features: Hours, minutes & secondsChronographTachometer Specifications: Movement: Automatic, self-windingJaeger-LeCoultre Calibre: 751HPower Reserve: 65 hoursFrequency: 4 Hz ( 28,800 v.p.h. )Jewels: 37Components: 262Water Resistance: 10 bar / 100 meters Case:Material: Stainless SteelDiameter: 42mmThickness: 11.9mmCrystal: Sapphire crystalCaseback: Transparent caseback with sapphire glass Dial:Design: Blue, Sunburst, grained and opaline, White luminescent numeralsHands: Bâton à facetteMarkers: White luminescent numerals Strap/Bracelet:Stainless Steel BraceletDetails:Masculine and refined, the Polaris Chronograph watch in steel bears a nuanced blue face that balances perfectly with its steel strap. With its chronograph function, it is the ideal timepiece for motorsports connoisseurs. Warranty:Jaeger-LeCoultre 8 Year International Warranty (2 Year activated upon purchase)