Prospex SPB409J1

Caliber Number: 6R54

Movement Type: Automatic with manual winding

Precision: +25 to -15 seconds per day

Power Reserve: Approx. 72 hours(3 days)

Functions:

• 
  24-hour hand (dual time display function)
  Stop second hand function

Case Material: Stainless steel (super hard coating)

Case Size

• Thickness: 13.6 mm
• Diameter: 39.5 mm
• Lug-to-lug: 46.4 mm

Crystal: Curved sapphire crystal

Crystal Coating: Anti-reflective coating on inner surface

Distance between lugs: 20

Water Resistance: 20 bar

Features:

• Lumibrite on hands and index(es)
  LIMITED EDITION on the case back
  Screw-down crown
  An additional calf strap is included
  See-through & Screw case back