[Introduction] The Seiko Chronograph is a powerful and highly reliable quartz wristwatch that perfectly coordinates sporty functionality with a refined, everyday dress layout. This model features a sophisticated black dial adorned with white baton indices and hands, clear sub-dials for precise timing, and a date window situated between the 4 and 5 o'clock positions. Enclosed within a durable, polished stainless steel case with a black tachymeter bezel and paired with a sleek black leather strap, this timepiece delivers an exceptional blend of technical utility and timeless style, making it an excellent choice for any occasion. [Historical & Collector Value] As a world leader in high-performance timing technology, Seiko's multi-subdial quartz chronograph movements revolutionized the modern sports watch landscape. This reference features a highly respected caliber system known for its reliable measurement capabilities, including a multi-hand display and a practical tachymeter function. Representing the peak of Japanese micro-engineering efficiency and functional durability, this model carries enduring appeal among collectors who appreciate modern tool-watch styling and the brand's heritage of robust everyday performance. Specifications ◇Brand: Seiko ◇Model: Chronograph ◇Reference: 6T63-00D0 ◇Case size: 43 mm ◇Movement: Chronograph Quartz ◇Case material: Stainless Steel ◇Dial: Black ◇Functions: Chronograph / Date / Tachymeter ◇Bracelet / Strap: Black Leather Strap ◇Clasp: Buckle ◇Water resistance: 10 Bar ・Condition Clean overall condition with light signs of age and normal wear. The stainless steel case and black tachymeter bezel maintain a great finish with minor surface scratches and soft handling marks from regular use, while the polished caseback remains beautifully defined as shown in the photo "2026-06-09-13-22-59-493.jpg". The black dial, hands, and sub-dials are excellently preserved, ensuring full legibility and an exceptional visual presentation. ・Service History The watch has been checked for basic operation and is functioning at the time of listing. As with any pre-owned quartz watch, future battery maintenance may be required depending on usage and the buyer’s standards. ・Shipping & Customs The item ships from Japan and will be carefully packed for secure transit. International shipping is available, and any applicable customs duties or taxes are the buyer’s responsibility.