Fendior Blue Leather Strap Waterproof Retro Mens Ultra-thin Rose Gold Classic Watches Case diameter: 40mm; Watchband: 20mm;Water Resistance:3ATM Dial Window Material:Mineral,Shookproof & Scratchproof The Length of Watch Band ,First Hole to Last one.Which Could Available for 6.88~8.86 Inches Durable Genuine Leather Band ,Comfortable for Wearing,Fit for most Size of Wrist Package Content:1 X Watches [Comes with a Gift Pocket, 30-Days Money Back Guarantee]