Seiko Prospex Speedtimer Automatic 3 Day SPB513

Features:
Hours, minutes & seconds
Date window between 4-5
Stop second hand function
Countdown Scale Ring

Specifications:
Movement: Seiko 6R55 Automatic with manual winding
Accuracy: +25 to -15 seconds per day
Power Reserve: Approx. 72 hours(3 days)
Magnetic Resistance: 4,800 A/m
Jewels: 24
Water Resistance: 20 bar

Case:
Material: Stainless steel case 
Diameter: 39.5mm
Thickness:12.0mm
Lug-to-lug: 44.5mm
Crystal: Curved Sapphire Crystal with Anti-reflective coating on inner surface
Caseback: Closed caseback

Dial:
Design: Cream Dial with Black Countdown Scale Ring
Hands: Lumi Brite Hands
Markers: Lumi Brite Tips

Bracelet:
Stainless steel bracelet
Buckle: Three-fold clasp with push button release
Lugs Distance: 20mm