CALIBER CALIBER: Sellita SW300-1 aGRADE: TopBRAND: SellitaHEIGHT: 3.60 mmJEWELS: 25RESERVE: 56 hoursFREQUENCY: 28,800 A/hBEZEL 120 click, unidirectional bezel.Steel bezel with C3 lume filled indices, and DLC coated.Full 30 min lume indices.180 slopped bezel tooth count.CASE & CRYSTAL Stainless Steel 316L, alternate Polished-brushed finishing.DIAMETER: 39MMTHICKNESS: 12.3MMLUG TO LUG: 47MMLUG WIDTH: 20MMCRYSTAL: 2mm, domed sapphire DIAL & HANDS Black Dial with white indices.C3 lume dashs and dots, with lume dots in dial ring surrounding the dial index.Lume hour, min, and seconds hand.Framed date window.Model name "Vanitas" in red. BRACELET 316L Steel "beads of rice" bracelet.Double button security claspVulcanized, Tropical Rubber strap included CROWN Crown guard, screw down crown WATER RESISTANCE 20 ATM (200M)