Upgrading your crystal from stock Hardlex glass to a premium Sapphire Crystal is a great first mod for your SKX007 or Seiko 5 Sports SRPD. This NMK306 - SKX/SRPD Sapphire Crystal w Day-Date Cyclops is designed for use with flat bezel inserts and dials with a day-date window. The cyclops magnifies the day-date wheels for greater legibility and looks pretty cool to boot! Our sapphire crystals have Anti-Reflective (AR) coating at the bottom side of the crystal. The AR coating comes in two colours - Blue and Clear AR. Fits all our SKX007/SRPD Flat Inserts. Compatible with SKX007, SKX009, SKX011, SKX171, SKX173, SKX175 and Seiko 5 Sports SRPD Range. Also compatible with new SRPD Collection 5 Sports collection – SRPD55K3, SRPD57K1, SRPD59K1, SRPD55K1, SRPD55K3, SRPD57K1, SRPD59K1, SRPD61K1, SRPD63K1, SRPD65K1, and SRPD65K4 5 Suits collection – SRPD65K2, SRPD67K1, SRPD69K1, SRPD71K1, SRPD71K2, SRPD73K1, SRPD73K2, and SRPD75K1 5 Specialists collection – SRPD55K2, SRPD65K3, and SRPD76K1 5 Street collection – SRPD79K1, SRPD81K1, and SRPD83K1 5 Sense collection – SRPD77K and SRPD85K1