Source note
2026-08-08 backfill round 9: case_material Stainless steel (super-hard coating), movement_type Automatic (cal. 6R15, 50h power reserve), water_resistance_m 200, crystal_type Sapphire (AR-coated), dial_color Green (sunray finish, gold accents), strap_type Bracelet (stainless steel, tri-fold push-button clasp). Cross-verified: seikowatches.com official spec page, Exquisite Timepieces, Moyer Fine Jewelers, Caratco. limited_edition left at 0 (not set to 1) -- confirmed via seikowatches.com this is ongoing general production (green MM200 variant), not a numbered limited run, despite the catalog variation name; flagged separately rather than silently renamed.