【Product Description】 The Seiko Chronograph Ref. 6T63-00D0 is an analogue quartz chronograph powered by Seiko’s Calibre 6T63 movement. It features a multi-register dial layout, a date display, a 24-hour indication, and push-button chronograph operation. The stopwatch measures elapsed time in 1/5-second increments for up to 60 minutes, combining accurate quartz timekeeping with practical chronograph functionality. 【Historical and Collector Significance】 The Calibre 6T63 belongs to Seiko’s family of analogue quartz chronograph movements and combines conventional timekeeping with a dedicated stopwatch display and date function. The Ref. 6T63-00D0 reflects Seiko’s practical approach to quartz chronograph design, offering a traditional multi-register appearance together with reliable everyday functionality. It may appeal to collectors and enthusiasts of Seiko chronographs and Japanese quartz watches. 【Brand】 Seiko 【Model】 Chronograph 【Reference Number】 6T63-00D0 【Movement】 Quartz 【Case Size】 Approx. 42 mm (excluding crown) 【Bracelet Material】 Stainless steel 【Wrist Size】 Adjustable from approximately 16.7 cm to 17 cm by removing links and using the fine-adjustment holes on the clasp. Currently set to approximately 17 cm. No spare links are included. 【Condition】 Case: Shows signs of wear and fine surface scratches consistent with normal use, but no significant damage. Please refer to the photos for details. Bezel: Shows signs of wear and fine surface scratches consistent with normal use, but no significant damage. Please refer to the photos for details. Dial: In good overall condition with no noticeable damage. Please refer to the photos for details. Crystal: Shows fine surface scratches. Please refer to the photos for details. Bracelet: Shows minor wear and fine surface scratches consistent with normal use, but no significant damage. Please refer to the photos for details. 【Crown and Chronograph Operation】 To adjust the date, pull the crown out one click from its normal position. To adjust the time, pull the crown out two clicks from its normal position. The button at the 2 o'clock position starts and stops the chronograph, while the button at the 4 o'clock position resets it. The quartz movement is functioning properly. Battery replaced in October 2026. 【Accessories Included】 Watch only (no box or papers). 【Other Notes】 Made in Japan 【Shipping】 Ships via ePacket / EMS or DHL with tracking and insurance. The estimated delivery time to Europe is approximately 7–21 business days after shipment.