The Seiko Prospex SNJ025 is a robust dive watch powered by the solar caliber H851 movement. It recharges from light sources, eliminating the need for regular battery changes.

Constructed with a stainless steel and protective outer case, this timepiece features a durable silicone strap, Hardlex crystal, and a unidirectional rotating bezel. Lumibrite on the hands and indexes ensures optimal visibility in low-light environments.

Designed for professional aquatic performance, it boasts 200m diver's water resistance, a screw-down crown, and a digital chronograph, alarm, and full-auto calendar.

Key Features

Brand	Seiko
Collection	Prospex
Model Number	SNJ025
Gender	Men's
Movement Type	Solar
Caliber Number	H851
Precision	±15 seconds per month
Case Material	Stainless steel and plastic
Case Thickness	13.8 mm
Case Diameter	47.8 mm
Lug-to-Lug	50.5 mm
Distance Between Lugs	22 mm
Band Material	Silicone
Crystal	Hardlex
Luminescence	Lumibrite on hands and indexes
Water Resistance	200 m / 660 ft diver's
Weight	114.0 g
Bezel	Unidirectional rotating bezel
Crown	Screw-down crown
Case Back	Screw case back

Highlights

Solar-powered caliber H851 movement with battery life warning and power save function
Durable stainless steel and protective case with Hardlex crystal
200m diver's water resistance with screw-down crown and case back
Unidirectional rotating bezel and Lumibrite hands and markers
Multifunctional digital display including chronograph, alarm, full-auto calendar, and LED light
Comfortable 22 mm silicone strap

Frequently asked questions

What type of movement powers this watch?

It is powered by the Seiko solar caliber H851 movement, which charges from ambient light.

What is the water resistance rating of the SNJ025?

The watch has a water resistance rating of 200 meters (660 feet) diver's standard.

What are the dimensions of the watch case?

The case measures 47.8 mm in diameter, 13.8 mm in thickness, and 50.5 mm lug-to-lug.

Does the watch have illumination for dark conditions?

Yes, it features Lumibrite on the hands and indexes along with a built-in LED light function.

What digital functions are included?

It includes a 100-hour chronograph (1/100 second increments), daily alarm, power save, and a full-auto calendar correct to December 31, 2100.

What material is used for the band?

The watch comes equipped with a flexible, durable silicone band.

Seiko Prospex Men's Solar Diver Watch