HKP 90 Series F1 Flat Trigger - Skeletonized,FS: SOLD! Grand Seiko 45GS 4520-8000 Hi-Beat 36000BPH JDM + Sapphire Exhibition Caseback + Travel Case | The Watch Site,MP5K Folding Stock, Side Folder, Black, SP5K, SP89, AC-Unity, HK Parts, ACU-95, RTG Parts,Sonnax 72760-01K Eliminator Kit,KS 45-7001] new (to me)! 😍 Any tips on replacement crystal (esp sapphire) or how to polish scratches out of the hardlex? : r/Seiko