- The Baida Feili fully automatic mechanical business watch features a case and strap made of solid 316 stainless steel. It showcases a three-dimensional diamond-shaped bezel design that embodies classic quality. The crown has been newly optimized for waterproofing, allowing it to be worn while swimming. It is equipped with an imported 8215 mechanical movement and has a diameter of 40mm. This watch supports customized dial designs, making it an ideal gift choice that balances sophistication and vitality.