Seiko Prospex ‘Forest Brown’ Alpinist SPB251J1 SPB251

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 index(es)

Band Material
Horse Skin

Clasp
Three-fold clasp with push button release

Other Details
Water Resistance
20 bar

Case Size
Thickness: 12.9 ㎜
Diameter: 38 ㎜
Length: 46.2 ㎜
Weight
84.0 g
Bracelet Length
185 ㎜
Other specifications
Screw case back
Screw-down crown
See-through case back
Other features
24 jewels
Date display
Stop second hand function