This is a Seiko chronograph 6T63-00B0. It's a practical quartz chronograph. Condition: Working condition confirmed Time adjustment: Possible Calendar adjustment: Possible Chronograph function: Working condition confirmed Crystal: Minor scratches present. Overall, there are some minor scratches, but it's in relatively good condition. Please refer to the photos for details. Band: Genuine Seiko band Band size: Approximately 16.5cm (Please refer to the images) *Please note that there may be slight discrepancies between wrist size and watch band length. Thank you for your understanding. ★★★Features ■Chronograph (stopwatch) ■Maximum 60-minute measurement (1/5 second increments) ■Three-subdial chronograph for a visually appealing mechanical look ★★★Shipping: To ensure the highest quality, the item will be carefully packed and shipped in a box. Shipping will generally be via DHL or Japan Post. *Please note that customs duties may be incurred upon delivery to your country of residence. *Regarding customs clearance, you may receive a phone call or email from your country's customs or shipping company. Please ensure you are available to answer calls. We sincerely hope that your item arrives safely and that you are satisfied with it. Thank you for your understanding and cooperation for a smooth transaction.