Seiko Prospex x Mechanical Sumo ft. Asia Exclusive (Limited Edition of 1,000 Pieces) Men Casual Formal Tonneau Diver 200m Water Resistant Watch SPB427J1 SPB427 SPB-427 SPB-427J1

Caliber Number / Movement
6R35 (automatic with manual winding capacity)

Power Reserve / Accuracy
Approximately 70 hours ( 25 to -15 seconds per day)

Crystal
Sapphire crystal

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
200m / 660ft diver’s

Case Size
Thickness: 12.9 mm
Diameter: 45.0 mm
Length: 52.6 mm

Other Specifications
Seiko Prospex x Mechanical Sumo ft. Asia Exclusive (Limited Edition of 1,000 Pieces)
Made in Japan
Additional silicone band inclusive
LIMITED EDITION on the case back
Serial number engraved on the case back
Unidirectional rotating bezel
Screw-down crown
Screw case back
24 jewels
Date display
Stop second hand function (hacking mechanism)
Regular timekeeping (analog display)