Big Daddy Gem Stone Markers

This build features the Japanese 8285 automatic mechanical movement with a Day and Date complication, offering both practical functionality and refined design. Paired with a solid stainless steel case and sapphire crystal, it delivers durability, accuracy, and a timeless look.

Specifications:

• Movement: Genuine Japanese 8285 Automatic Mechanical

  • Day & Date complication

  • 21 jewels, 21,600 vibrations/hour (3Hz)

  • Approx. 42-hour power reserve

  • Bi-directional automatic winding + manual wind

  • Made in Japan

• Case: Solid 316L Stainless Steel

  • Diameter: 40mm (without crown)

  • Thickness: 12mm

  • Lug Width: 20mm (strap compatible)

  • Screw-down crown for security and water resistance

  • Flat sapphire crystal glass for scratch resistance and clarity