Seiko Chronograph – Cal. 8T63

Specifications

Movement

• Caliber Number: 8T63

• Movement Type: Quartz

• Precision: ±15 seconds per month

• Battery Life: Approx. 3 years

• Functions:

  • 24-hour hand

  • Small seconds hand

  • Chronograph up to 60 minutes (1/5 second increments)

  • Date display

Case / Band

• Case Material: Stainless steel

• Case Size:

  • Thickness: 11.5mm

  • Diameter: 40.0mm

  • Lug-to-lug: 45.8mm

• Crystal: Sapphire crystal

• Clasp: Three-fold clasp with push button release

• Distance between lugs: 20mm

Other Details

• Water Resistance: 10 bar / 100 meters

• Magnetic Resistance: 4,800 A/m

• Weight: 152g

• Features: Screw case back

✨ This one stands out with its sapphire crystal (higher scratch resistance) and magnetic resistance, making it a more durable, everyday chronograph.