The Citizen Eco-Drive NJ0178-81M is a sophisticated and elegant watch. Here are the detailed specifications and features: Movement: Caliber: 8210 Type: Automatic Power Reserve: Approximately 40 hours on a full wind Case: Material: Stainless Steel Diameter: 43mm Thickness: 12.4mm Case Back: Solid Crown: Screw-down, located at 4 o’clock Dial: Color: Blue Markers: Applied indices Hands: Luminous Features: Date display, 3-hand movement Crystal: Material: Mineral Glass Water Resistance: Rating: 100 meters (10 bar) Compliance: Suitable for swimming and snorkelling Strap: Material: Stainless Steel Bracelet Clasp: Deployment clasp with push button release Additional Features: Eco-Friendly: Reduces the need for battery replacements and contributing to environmental sustainability Luminous Hands and Markers: For better visibility in low-light conditions The Citizen NJ0178-81M combines classic elegance with modern style, making it a versatile choice for both casual and formal occasions