Amazon.com: CIGA Design Men's Automatic Watch, C Series Full Hollow Skeleton Mechanical Analog Wristwatch with Milanese and Leather Strap Sapphire Crystal Mirror (Black) : Clothing, Shoes & Jewelry
Xiaomi Youpin also has a mechanical watch that simulates the Earth's rotation
100% Original Xiaomi Xijia Mechanical Watch·t Series Space Tr90 Wristband 360 Degree Transparent Black Technology - Smart Watches - AliExpress
Xiaomi CIGA Automatic Mechanical Watch Offered For Just $123.19 - XiaomiToday
Mi Mechanical Watch Divemaster Edition | Authorized Xiaomi Store PH Online