Seiko Presage Sharp Edge SPB231J1 SPB231

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 (super hard coating)

Crystal
Sapphire crystal

Crystal Coating
Anti-reflective coating on inner surface

LumiBrite
LumiBrite on hands and indexes

Band Material
Horse Skin

Clasp
Three-fold clasp with push button release

Other Details
Water Resistance
10 bar

Case Size
Thickness: 11.1 ㎜
Diameter: 39.3 ㎜
Length: 47.2 ㎜
Other Specifications
Screw case back
See-through case back
Other Features
24 jewels
Date display
Stop second hand function