LEORX Oulm Sports Steel Case PU Band Dual Time Mens Quartz Analog Wrist Watch (Black) Brand: Oulm. Model: 9591. Dial color: mainly black. Material: durable stainless steel (case) and soft PU (watchband). Big stainless steel case with dual time display, you can set two different time zone no matter which countries you travel. First dial shows time by two circle coaxial rotary scales, and the second dial shows time by analog. Adopts precise quartz movement for accurate time keeping. Soft PU watchband for comfortable to wear. Solid stainless steel back case and buckle. Battery included in the watch. Living waterproof design (Not suitable for swimming, diving, shower etc).