Seiko Prospex x Mechanical 62MAS ft. 1965 Heritage Diver Modern Re-Interpretation Men Casual Formal Tonneau Diver 300m Water Resistant Watch SPB451J1 SPB451 SPB-451 SPB-451J1

Caliber Number / Movement
6R55 (automatic with manual winding capacity)

Power Reserve / Accuracy
Approximately 72 hours ( 25 to -15 seconds per day)

Crystal
Sapphire crystal (curved, anti-reflective coating)

LumiBrite
Lumibrite on hands, indexes and bezel

Case & Band Material
Stainless steel case with metal band (three-fold clasp with secure lock, push-button release with extender)

Water Resistance
300m / 1,000ft diver

Case Size
Thickness: 13.0 mm
Diameter: 40.0 mm
Length: 46.4 mm

Other Specifications
Seiko Prospex x Mechanical 62MAS ft. 1965 Heritage Diver Modern Re-Interpretation
Made in Japan
Magnetic resistance (4,800 A/m)
Unidirectional rotating bezel
Screw-down crown
Screw case back
24 jewels
Date display
Stop second hand function (hacking mechanism)
Regular timekeeping (analog display)