SEIKO SBDC031 PROSPEX Men's Watch Diver Mechanical Self-Winding Waterproof 200m Black Dial Made in Japan

SPECIFICATIONS:
Driving system: Automatic with manual winding mechanism
Caliber Number: 6R15
Case: Stainless steel case
Glass: Curved glass
Lumibright: Hands and indexes
Drive duration: Power reserve: 50 hours
Accuracy: -15 to +25 seconds per day
Water resistance: 200m water resistance suitable for air diving
Magnetic reluctance: Magnetic resistance
Size: H52.6mm x W45mm x D13.3mm
Weight: 183g
Driving system     

• One-way bezel
• Screw down crown
• Screw case back
• Jewels: 23 jewels
• Stop second hand function