Raised polished numerals and markers, with matte background
This insert has a slopping design.
Hence these crystals are required for a better fit:
Sapphire Flat – Type E – Seiko SKX007
Sapphire Double Dome – Seiko SKX007
Sapphire Double Dome – No Bevel Edge – Seiko SKX007
Seiko SKX007, SKX009 & SKX011 series
Seiko 5 SRPDxx series (SKX007 replacements)