The solid polished stainless steel case and the stainless steel bracelet, whose middle links are polished to a high gloss, give this 42 mm diameter watch a robust elegance. The grey-white dial with dark grey hour markers and hands fits seamlessly into the design of the BM8550-81AE Citizen Day Date men watch steel withe. The window for the day of the week and date completes a timepiece whose reliable functionality is suitable for any occasion, whether in the office, during leisure time or on festive occasions. The power supply of the BM8550-81AEe Citizen Day Date men watch steel withe takes place by means of Citizen Eco-Drive, an invisible built-in solar cell, which extracts energy from any light source, whether sun or lamp. This means that this men's wristwatch has a practically unlimited running time. No winding and, thanks to the power reserve, no standing still, even if the watch is not worn for a while. Sustainable material processing, high durability, elegant design and environmentally friendly operation make this men's wristwatch from Citizen a timepiece that is worn with pleasure.