Wet-area device and method for manufacturing wet-area device

A wet-area device, comprising:

• a main part made of metal;
• and
• a first layer provided on an outer surface of the main part,
• the main part including a main part unevenness at a side of the outer surface of the main part, the main part unevenness including a plurality of main part recesses and a plurality of main part protrusions,
• the first layer including a first unevenness at a side of an outer surface of the first layer, the first unevenness including a plurality of first recesses and a plurality of first protrusions and being arranged along the main part unevenness,
• an average height of the main part unevenness being less than an average length of the main part unevenness,
• the average height of the main part unevenness being greater than 0.8 μm and less than 3.7 μm, and
• a ratio of the average height of the main part unevenness to the average length of the main part unevenness being greater than 0.01 and less than 0.05.