PVD Matte Black Nautilus-style Conversion Case Set for Seiko Mods - CAS010

Finally, a Nautilus-style conversion case that accepts 28.5mm dials and NH3x / NH7x / similar movements without fussing around with files or sandpaper.

This case is machined out of 316L steel with PDV Matte Black finish.

This case set also comes with the sapphire crystal pre-installed and a matching solid case back.

For more value, a screw-down crown is also provided for your convenience.

Lug width comes in at 20mm to fit a wide variety of straps. The lugs are also drilled through for your convenience.

Facts and Figures:

Case Diameter: 42mm including crown guards
Lug to Lug: 47mm
Thickness: 9.25mm
Lug Width: 20mm

Comes with:
Screw-Down Crown
Solid Case Back and Gasket
30mm Sapphire Crystal and Gasket (Pre-Installed)
20mm Fat Spring Bars