**Main Specifications**
- **Caliber No:** 8T63
- **Movement:** Quartz
- **Chronograph:** 1/5-second (up to 60 minutes)
- **Additional Features:** Includes 24-hour hand
- **Accuracy:** 15 seconds per month
- **Case Material:** Stainless Steel
- **Crystal Material:** Hardlex Crystal
- **Water Resistance:** Enhanced daily life water resistance (10 ATM)
- **Additional Features:** Screw-back (orientation of the case back may vary due to manufacturing reasons)
- **Other Functions:** Calendar (Date function)
**Size & Weight**
- **Case Dimensions:** Approximately 47.0mm (height) x 42.2mm (width including crown guard) x 11.7mm (thickness)
- **Bezel Diameter:** About 40mm
- **Band Width:** Approximately 18mm (around buckle) to 20mm (case side)
- **Lug Width:** Approximately 20mm
- **Max Wrist Circumference:** About 190mm
- **Weight:** Approximately 129g
**Materials**
- **Case:** Stainless Steel
- **Band:** Stainless Steel
- **Crystal:** Hardlex Crystal
**Water Resistance**
- Suitable for enhanced daily life water-resistance (10 ATM)
**Movement**
- Caliber 8T63 Quartz
- 1/5-second Chronograph (60-minute register)
- Includes 24-hour hand
**Included Accessories**
- Presentation box
- Warranty certificate (all genuine Seiko)
*Note: Starting February 2024, as part of SEIKO's commitment to environmental initiatives (paperless policy), product manuals will no longer be included. Please refer to the manufacturer's warranty for instructions.*
**Color:** Blue Gray SBTR027
**Model Number:** SBTR027
**Power Source:** Battery-operated
**Style:** Three-sub-dial, 60-minute chronograph
**Designed For:** Male
**Package Dimensions:** 8.1cm x 10.1cm x 12.7cm
Get ready to elevate your style with this precision-engineered timepiece that combines functionality and elegance effortlessly. Perfect for both everyday use and special occasions, this watch is a testament to superior craftsmanship and timeless design.