NH8391-51Z

Caliber Number / Movement
8200 (automatic with manual winding capacity)

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

Crystal
Mineral crystal (curved)

Luminous
Nil

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

Water Resistance
50m / 5 bar

Case Size
Diameter: 40.2 mm

Other Specifications
See-through case back
Screw case back
21 jewels
Stop second hand function (hacking mechanism)
Day and date display