Seiko – Prospex – SPB191
Seiko – Prospex – SPB191
Caliber Number 6R35
Movement Type Automatic with manual winding
Accuracy +25 to -15 seconds per day
Duration Approx. 70 hours
Case Material Titanium(super-hard coating) with titanium bezel
Crystal Sapphire crystal with magnifier
Crystal Coating Anti-reflective coating on inner surface
LumiBrite Lumibrite on hands, indexes and bezel
Band Material Silicone
Water Resistance 200m / 660ft diver’s
Case Size
Thickness: 13.3㎜
Diameter: 43.5㎜
Length: 51㎜
Weight 99.0 g
Bracelet Length 210 ㎜
   Against an allergic reaction to metal
   Screw case back
   Screw-down crown
   Three-fold clasp with secure lock
   Unidirectional rotating bezel
   24 jewels
   Date display
   Stop second hand function