master 1000 automatic diver black bezel blue sandstone dial deep blue watches master 1000 2.5 - 60 hour power reserve automatic <br><br> specifications: <br><br> - 44mm width, 51mm lug to lug, 15mm thick<br> - 1000ft/330m water resistant<br> - 316l stainless steel case<br> - screw down crown and case back<br> - stainless steel -120 click unidirectional luminous ceramic bezel<br> - caliber miyota 8315- 60 hour power reserve automatic movement<br> - stop second hack feature "hacking"-21,600 vph, 21 jewels, with date<br> - sapphire crystal, ar coated - scratch resistant<br> - superluminova inner lume ring hour markers and hands<br> - helium release valve 10 oclock position<br> - 22mm bracelet stainless ,push button deployant , tension pins