Seiko Prospex Alpinist SPB212J1 SPB212

Caliber Number
6R35

Movement Type
Automatic with manual winding

Accuracy
+25 to -15 seconds per day

Duration
Approx. 70 hours

Exterior
Case Material
Stainless steel

Crystal
Curved sapphire crystal

Crystal Coating
Anti-reflective coating on inner surface

LumiBrite
Lumibrite on hands and indexes

Band Material
Nylon

Other Details
Water Resistance
20 bar

Case Size
Thickness: 12.9 ㎜
Diameter: 38 ㎜
Length: 46 ㎜
Weight
79.0 g
Other Specifications
Screw case back
Screw-down crown
See-through case back
Other Features
24 jewels
Date display
Stop second hand function