Seiko Prospex Sea 47.8 MM Black Solar Chronograph Watch - SNJ025P1

Caliber Number: H851

Movement Type: Solar

Precision: ±15 seconds per month

Power reserve: Operating for approx. 6 months (when fully charged), power save: approx. 34 months

Power save function

Chronograph up to 100 hours in 1/100 second increments

Alarm function (daily alarm)

Full-auto calendar correct to the December 31, 2100

Battery life warning function: LED (the built-in illuminating light) function

Case Material: Stainless steel and plastic

Case Size:

Thickness:13.8mm

Diameter:47.8mm

Lug-to-lug:50.5mm

Crystal: Hardlex

LumiBrite :Lumibrite on hands and index(es)

Band Material: Silicone

Distance between lugs :22mm

Water Resistance :200m / 660ft diver's

Unidirectional rotating bezel

Screw-down crown

Screw case back