This Yacht-Master-style skeleton mod pairs an openworked dial with a blue sapphire-style bezel insert and rainbow-accent hands. The Seiko NH70 automatic movement is fully visible through the dial, creating a mechanical centerpiece framed by a stainless steel sports case and bracelet.

• Movement: Seiko NH70 automatic skeleton
• Dial: Openworked skeleton design
• Bezel: Blue sapphire-style Yacht-Master insert
• Hands: Rainbow-accent hands
• Case and Bracelet: Stainless steel

This is an independently assembled custom mod watch. It is not manufactured, sponsored, or endorsed by Rolex or Seiko; “Seiko” identifies the movement only.