The Seiko SPB153J1 PROSPEX 6R35 Caliber watch is an automatic with manual winding movement type, 24 jewels and curved sapphire crystal.

Movement

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
Curved sapphire crystal

Crystal Coating
Anti-reflective coating on inner surface

LumiBrite
Lumibrite on hands, indexes and bezel

Band Material
Silicone

Other Details

Water Resistance
200m / 660ft diver's

Case Size

• Thickness: 13.2㎜
• Diameter: 42.7㎜
• Length: 46.6㎜

Weight
111.0 g

Other Specifications

• Screw case back
• Screw-down crown
• Three-fold clasp with secure lock
• Unidirectional rotating bezel

Other Features

• 24 jewels
• Date display
• Stop second hand function