Casio G-Shock Men's Watch MT-G B3000 Series Solar Radio Wave Smartphone Link Carbon SS Black Dial Model Number: MTG-B3000BD-1AJF Movement: Solar-powered radio wave (no battery replacement or time adjustment required) Quartz ◇ Date and day of the week display Dial Color: Black Water Resistance: 20気圧 (20 bar) Size: Case: 51.9mm (length) x 50.9mm (width, excluding crown) Thickness: 12.1mm Bracelet Inner Circumference: Up to 21.5cm (adjustable by removing links) Materials: Stainless Steel (SS)・Carbon・Sapphire Glass Accessories: Manufacturer's outer box, manufacturer's case, instruction manual Country of Manufacture: JAPAN This watch is large for my thin wrist.