Seiko 5 Sports x Mechanical ft. Masked Rider 55th Anniversary (Limited Edition of 4,000 Pieces) Men Casual Formal Round 100m Water Resistant Watch SRPJ91K1 SRPJ91 SRPJ-91 SRPJ-91K1

Caliber Number / Movement
4R36 (automatic with manual winding capacity)

Power Reserve / Accuracy
Approximately 41 hours ( 45 to -35 seconds per day)

Crystal
Hardlex crystal (curved)

LumiBrite
Lumibrite on hands, indexes and bezel

Case & Band Material
Stainless steel case with calfskin leather band

Water Resistance
100m / 10 bar

Case Size
Thickness: 13.4 mm
Diameter: 42.5 mm
Length: 46.0 mm

Other Specifications
Seiko 5 Sports x Mechanical ft. Masked Rider 55th Anniversary (Limited Edition of 4,000 Pieces)
LIMITED EDITION on the case back
Serial number engraved on the case back
Unidirectional rotating bezel
See-through back case
Screw case back
24 jewels
Day and date display
Stop second hand function (hacking mechanism)
Regular timekeeping (analog display)