Seiko Prospex Alpinist SPB210J1 SPB210

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
Sapphire crystal with magnifier

Crystal Coating
Anti-reflective coating on inner surface

LumiBrite
Lumibrite on hands and indexes

Band Material
Calfskin

Clasp
Three-fold clasp with push button release

Other Details
Water Resistance
20 bar

Case Size
Thickness: 13.2 ㎜
Diameter: 39.5 ㎜
Length: 46.4 ㎜
Weight
85.0 g
Other Specifications
Rotating compass inner ring
Screw case back
Screw-down crown
See-through case back
Other Features
24 jewels
Date display
Stop second hand function