Swiss Made 5-jewel Ronda calibre 715 quartz movement with custom date printing at 4 o’clock3 year battery with end of life indicationSteel & elastomer damped shock-absorbing movement holderWater-resistant to ISO2281 and individually tested to 20ATM/200MShock-resistant to ISO1413Solid marine-grade 316L stainless steel case2.8mm domed anti-reflective hardened mineral crystalTriple sealed 5mm knurled crownBolted down caseback with oversize sealsSuperLuminova indices & handsScrew-in steel strap bars with screwdriver included for strap changesPremium soft silicone rubber strap with stainless wide tongue EB buckle