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