Perman Luxury Mens Business Stainless Steel Band Machinery Sport Quartz Wrist Watch Gender: Men. Compact, Elegant, Stylish. Style: Business. Features : Bright. Band material : Alloy. living waterproof. Dial Diameter : Approx 45 mm/1.8". Dial Thickness : Approx 10 mm/0.39". Watch Strap Length : Approx 175 mm/6.9". Watch Strap Width : Approx 18 mm/0.70".