Specification (approximate) - Case diameter: 5cm approx. - Case thickness: 1.5cm approx. - Case Back Material: Stainless Steel - Band Length: 18cm approx. - Band Material: Stainless Steel - Band Adjustable: Yes Main Features: - Gulper Shark series - Designed by renowned Italian Watch Designer “Mr. Leonardo Cristiano”. - High precision quartz movement with the latest breakthrough Technology. - Specially designed with Big Case. - Water resistant (Not suitable for swimming, diving, shower etc.).