**Key Specifications**
- **Caliber No:** 8T63
- **Movement Type:** Quartz
- **Chronograph:** 1/5 second chronograph (60-minute counter)
- **Additional Feature:** 24-hour hand
- **Accuracy:** 15 seconds per month
- **Case Material:** Stainless Steel
- **Glass Material:** Hardlex Crystal
- **Water Resistance:** Reinforced daily life water resistance (10 ATM)
- **Additional Features:** Screwback (Note: Due to manufacturing reasons, the direction of the case back may vary between units)
- **Other Functions:** Equipped with a calendar (date display)
**Size and Weight**
- **Case Dimensions:** Approx. 47.0mm (height) x 42.2mm (width including crown guard) x 11.7mm (thickness)
- **Bezel Diameter:** Approx. 40mm
- **Band Width:** Approx. 18mm (buckle side) to 20mm (case side)
- **Lug Width:** Approx. 20mm
- **Max Wrist Circumference:** Approx. 190mm
- **Weight:** Approx. 129g
**Materials**
- **Case and Band:** Stainless Steel
- **Crystal:** Hardlex Crystal
**Water Resistance**
- **10 ATM for Enhanced Everyday Use**
**Movement**
- **Caliber:** 8T63 Quartz
- **Chronograph:** 1/5 second chronograph (60-minute counter)
- **Additional Feature:** 24-hour hand
**Accessories**
- Comes with an original Seiko presentation box and warranty card.
- Note: In line with SEIKO's environmental initiatives for a paperless future, instruction manuals will no longer be included with the product as of February 2024. Instructions can be accessed using the method indicated on the included warranty card.
**Color:** Navy SBTR011
**Model Number:** SBTR011
**Power Source:** Battery-powered
**Style:** 3-subdial, 60-minute chronograph
**Target Audience:** Men
**Package Dimensions:** 12.0cm x 10.0cm x 8.0cm
This timepiece effortlessly blends style and functionality, making it an ideal choice for those who appreciate precision and elegance. Its robust build, featuring a stainless steel case and band, is accentuated by sophisticated details like the Hardlex Crystal glass and a reliable quartz movement. Whether you're navigating a busy day or attending a formal event, this chronograph watch is designed to be your perfect companion.