Model: Grand Seiko 5646-7020 - 995$ shipped US or international. Located in Houston. • Serial Number: 2N7779 (1972 production) • Movement: Seiko 5646A – Hi-Beat 28,800bph, automatic, with hand-winding and quickset day/date • Case Size: Approx. 36mm diameter (without crown) • Dial: Rare factory original green gradient dial with vertical brushing and applied Seiko & GS logos • Crystal: Original faceted Hardlex crystal, mint like new condition. • Case: Original stainless steel case, unpolished and all original case lines. • Crown: GS-signed original • Bracelet: Vintage stainless steel jubilee-style bracelet, unsigned but period-correct and very comfortable • Caseback: Gold medallion intact, clear engravings, no tool slips or corrosion • Functions: Day/date (English + Kanji), hacking seconds, hand-winding, quickset via crown push Timekeeping Performance: • Keeps excellent time within approx. +-10 seconds/day • Day/date switches correctly • Hacking and hand-winding both operational