CASIO Tide Graph Digital 100m WS-1700H-8AV
                            
Case size (L× W× H)                        
52.5 × 48.6 × 15.2 mm                            
Weight:     48 g                            
Case and bezel material: Resin
Band: Resin Band        
Water resistance: 100-meter
Power supply and battery life
Approx. battery life: 10 years on CR2025