18.4mm gold trim Seiko warranty may be voided

Seiko warranty may be voided by using generic aftermarket parts

Get a perfect fit for Seiko watches with these replacement Watch Crystal 300P01HN03

Folding Buckle with Safety Lock 18mm

Lower 1530-7910 - Pinion for Oscillating Weight 1530-7911 - Spring-Clip for Oscillating Weight 1530-7917 - Driving Wheel for Ratchet Wheel 1530-7919 - Jewel for Driving Wheel for Ratchet Wheel 1530-7920 - Bush for Barrel 1530-7932 - In-Setting 1530-7937 - Cap Jewel 1530-7938 - Spring 1525-7950 - Center Wheel with Cannon Pinion for 1525 1530-7961-1 - Champagne Date Disc for 1530 1530-7961-2S - Silver Date Disc for 1530 1530-7961-2W - White Date Disc for 1530 1555-8007 - Jewel for Cam Yoke for 1555 1555-8008 - Spring for Cam Yoke for 1555 1555-8011 - Stud for Cam for 1555 1570-8115 - Balance Stop Spring 1555-8017-101 - Day Indicator Champagne for 1555 1570-8035 - Calendar Wheel Nut for 1570

so it won't fall apart since it is not multiple layers

18.4mm gold trim Seiko warranty may be voided1. 3mm Thick Round Flat Mineral Glass Watch Crystals Get MG: 1. 3mm Assortment, > Set of 35 Pcs > Set of 182 Pcs All Mineral Glass is Individually Packed in Envelope and Stamped Thickness and Size. High Polished Beveled Edge Finished. Order Today!