Welcome to the Mill Machinery official website!

[email protected]

customer service

Projects

  1. Home
  2. Ball Mill
  3. ball 999b pocket watch
ball 999b pocket watch

ball 999b pocket watch

Jan 30, 2021 · Pocket watch aficionados will smile at the nod to the past. “The Ball Hamilton Pocket Watch Railroad Grade 999B Model 5 [was] one the highest-grade pocket watches ever manufactured,” The Pocket Watch Guy reports. “New, stronger and more flexible metal alloys in both the hairspring and mainspring increased accuracy and durability.”

Get Price List Chat Online

You may also like

Latest Projects

Blogs and detail