**Key Specifications:**
- **Caliber No.:** 8T63
- **Movement Type:** Quartz
- **Chronograph:** 1/5 Second with 60-Minute Counter
- **Additional Feature:** 24-Hour Hand
- **Accuracy:** 15 seconds per month
- **Case Material:** Stainless Steel
- **Glass Material:** Hardlex Crystal
- **Water Resistance:** Enhanced daily life water resistance (10 Bar)
- **Other Features:** Screw-back (Note: Orientation of the case back may vary due to manufacturing)
- **Additional Functions:** Date Calendar
**Size & Weight:**
- **Case Dimensions:** Approximately 47.0mm (height) x 42.2mm (width, including crown guard) x 11.7mm (thickness)
- **Bezel Diameter:** Approximately 40mm
- **Band Width:** Approximately 18mm (buckle side) to 20mm (case side)
- **Lug Width:** Approximately 20mm
- **Maximum Wrist Circumference:** Approximately 190mm
- **Weight:** Approximately 129g
**Materials:**
- **Case:** Stainless Steel
- **Band:** Stainless Steel
- **Glass:** Hardlex Crystal
**Water Resistance:**
- 10 Bar (suitable for daily use and enhanced water resistance)
**Movement:**
- Cal. 8T63 Quartz
- 1/5 Second Chronograph with 60-Minute Counter
- 24-Hour Hand
**Included Accessories:**
- Presentation Box
- Warranty Card (All items are genuine Seiko products)
*Note: Starting February 2024, SEIKO will discontinue including instruction manuals with products as part of their commitment to environmental responsibility (paperless initiative). Instructions can be accessed via method described on the included warranty card.*
**Color:** Black (SBTR013)
**Model Number:** SBTR013
**Power Type:** Battery-operated
**Style:** Triple Sub-dial with 60-Minute Chronograph
**Target Audience:** Male
**Package Dimensions:** 7.9cm x 10.1cm x 12.7cm
This watch combines sophisticated technology with elegant style, making it a perfect accessory for those who value precision and aesthetics. Whether you're timing an event or just keeping track of your day, this timepiece is designed to complement your lifestyle with its robust features and refined design.