Grand Seiko 4522-8000 “45GS” – Steel – Tropical Dial Patina – Unpolished Case Model BackgroundThe Grand Seiko 4522-8000 is part of the iconic 45GS family, powered by the caliber 4522 – a hand-wound, 36,000 bph hi-beat movement with date. These were regulated to Grand Seiko’s high accuracy standard and built in the classic “Grammar of Design” case with razor-sharp facets and clean, minimalist lines. Steel 45GS pieces with attractive natural patina are getting harder to find, especially in unpolished condition. Condition Case & Crystal Original stainless steel case in excellent conditionUnpolished, with sharp edges and well-defined geometryCrystal is excellent, clean and clear on the wrist with minimal signs of wear Dial & HandsOriginal dial with a very nice tropical patina, giving it a warm, characterful vintage lookPatina is even and attractiveHandset is very sharp with no noticeable oxidation, a great match to the dial and markers CasebackCaseback is excellent, with crisp text and no major tool marks Movement / FunctionIn-house Grand Seiko caliber 4522 hi-beat manual-wind movement with dateMovement is very clean and currently keeping good time in my observationDate function operates properlyService history is unknown, so while performance is good now, service is always recommended for daily wearAs with any vintage watch, water resistance is not guaranteed What’s Included Grand Seiko 4522-8000 steel watch with tropical dial Strap/bracelet as shown in the photos (No original box or papers.) Notes & Authenticity This is a strong, all-original example of the steel 45GS, with:Unpolished, excellent caseAttractive tropical dial patinaSharp, oxidation-free handsetExcellent crystal and casebackClean, well-running 4522 hi-beat movement The case, dial, hands, crown, movement, and caseback are original Grand Seiko components for this reference. I offer a money-back guarantee on authenticity. Please review all photos carefully as they form part of the description, and feel free to contact me for additional images or a video of the watch running.