Seiko Prospex x Mechanical Land ft. Alpinist Men Casual Formal Round 200m Water Resistant Watch SPB155J1 SPB155 SPB-155 SPB-155J1

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

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

Crystal
Sapphire crystal (curved, anti-reflective coating)

LumiBrite
Lumibrite on hands and indexes

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

Water Resistance
200m / 20 bar

Case Size
Thickness: 12.9 mm
Diameter: 38.0 mm
Length: 46.0 mm

Other Specifications
Seiko Prospex x Mechanical Land ft. Alpinist
Made in Japan
See-through case back
Screw-down crown
Screw case back
24 jewels
Date display
Stop second hand function (hacking mechanism)
Regular timekeeping (analog display)