Seiko Presage x Mechanical Zen Garden ft. Japanese Zen Men Casual Formal Round Water Resistant Watch SSA397J1 SSA397 SSA-397 SSA-397J1

Caliber Number / Movement
4R57 (automatic with manual winding capacity)

Power Reserve / Accuracy
Approximately 41 hours ( 40 to -20 seconds per day)

Crystal
Sapphire crystal (dual-curved)

LumiBrite
Nil

Case & Band Material
Stainless steel case with metal band (deployment clasp with push-button release)

Water Resistance
Water resistant

Case Size
Thickness: 14.1 mm
Diameter: 42.0 mm
Length: 49.2 mm

Other Specifications
Seiko Presage x Mechanical Zen Garden ft. Japanese Zen
Made in Japan
See-through case back
Screw case back
29 jewels
Date display
Power reserve indicator
Stop second hand function (hacking mechanism)
Regular timekeeping (analog display)