Specification: Brand Name: Naviforce Model Number: NF 9157 Movement: Analog Quartz Movement; Movement Partner: Japanese Seiko Luminous Part: Hands, Hour Marker Water Resistant: 3ATM (Not for Swimming or Hot Water Shower) Plating Technique: Environmental vacuum electroplating Band Type: Stainless Steel Braccelet; Window Material: Hardlex Glass Band Material: Alloy Stainless Steel; Dial Shape: Round; Weight: 142g Main Features :12 hours format analog display, Date display, Week display Crystal: Reinforced mineral glass Case Thickness: 1.3 cm; Battery: SR626SW Case Material : Alloy; Style: Fashion & Casual Caliber: AL33 Gender: Men Diameter : 4.3 cm; Band Length: 24.5 cm; Band Width: 2.2cm Clasp Type: Folding clasp with safety