Seiko Diver Prospex SPB317J1

Movement

Caliber Number: 6R35
Automatic with manual winding
+25 to -15 seconds per day
Power reserve Approx. 70 hours

Case/Band

Case Material: Stainless steel

Case Size

Thickness:12.3mm
Diameter:41.0mm
Lug-to-lug:46.9mm

Crystal

Curved sapphire crystal

Crystal Coating

Anti-reflective coating on inner surface

LumiBrite

LumiBrite on hands, index(es) and bezel

Band Material

Silicone

Distance between lugs

20

Other Details

Water Resistance

200m / 660ft diver's

Magnetic Resistance

4,800 A/m

Weight

100.0

Features

• Unidirectional rotating bezel
• Screw-down crown
• Screw case back