Citizen’s simple yet revolutionary Eco-Drive technology harnesses the power of light, whether natural or artificial, and converts it into energy, storing the surplus in a power cell. Designed to charge from any form of light source, from sunlight to desk lamps, you can go about your daily life and be confident that your Eco-Drive won’t stop. This modern classic design timepiece features a silver tone stainless steel bracelet and 45mm case, black colour dial and day/date function. 100m water resistant. The official Red Arrows insignia appears on the watch caseback. Ref: CA0080-54E Product Information Brand: Citizen Eco-Drive Case Material: Silver Tone Stainless Steel Case Size: 45mm Type of Strap: Stainless Steel Bracelet Strap Glass Material: Sapphire Crystal Dial: Black Water Resistant: 100m Gender: Mens