Caliber Number: 8T63
Movement Type: Quartz
Precision: ±15 seconds per month
Battery life: Approx. 3 years
Functions:

• 24-hour hand
• Equipped with small seconds hand
• Chronograph up to 60 minutes in 1/5 second increments
• Date display

Case Material: Stainless steel (hard coating)
Case Size:

• Thickness: 12.9mm
• Diameter: 43.9mm
• Lug-to-lug: 51.1mm

Crystal: Hardlex
LumiBrite: Lumibrite on hands and index(es)
Band Material: Calfskin
Distance between lugs: 22

Water Resistance: 10 bar
Weight: 173.0
Features:

• Tachymeter function
• Screw case back