Built for professionals, the Seiko Prospex SNJ025 combines rugged durability with advanced solar technology. Designed for extreme conditions, this watch is ISO-certified for diving and delivers outstanding reliability above and below the surface.
Movement: Caliber H851 Solar Quartz, with ±15 seconds/month accuracy
Power Reserve: Approx. 6 months when fully charged; up to 27 months in power-save mode
Functions:
Chronograph up to 100 hours (1/100 sec increments)
Daily alarm function
Full-auto calendar (valid until December 31, 2100)
Battery life warning
Built-in LED illumination
47.8mm stainless steel & plastic case with hard-coating
Thickness: 13.8mm | Lug-to-lug: 50.5mm
Screw-down crown and case back
Hardlex crystal with LumiBrite hands and markers
Bezel: Unidirectional rotating for diving safety
Strap: Durable black silicone strap with buckle closure (22mm lug width)
Water Resistance: 200m / 660ft ISO-certified diver’s
Weight: 114g
Warranty: 3 years
Legendary Prospex toughness, built to withstand the most demanding adventures