The Seiko Prospex SRPF03 is engineered for divers and adventure seekers who demand reliability under pressure. With a 43.8mm stainless steel case and robust design, this professional diver’s watch is powered by the Caliber 4R35 automatic movement, offering a 41-hour power reserve and manual winding capability. Its 200m water resistance, unidirectional rotating bezel, and screw-down crown ensure safety and precision even in the harshest underwater conditions. Finished with LumiBrite hands and indexes for superior legibility, this timepiece combines Seiko’s iconic durability with a refined, tool-watch aesthetic.
Automatic movement – Caliber 4R35 with manual winding
Approx. 41-hour power reserve, 23 jewels
Stop-seconds hand function and date display
Stainless steel case – 43.8mm diameter, 13.4mm thickness
Screw-down crown and screw case back
Secure diver’s clasp with push-button release and extender
Sleek black dial with bold LumiBrite indexes
Unidirectional rotating bezel for dive timing
Stainless steel bracelet with 22mm lug width
Rugged diver’s design for professional use
Water resistance: 200m / 660ft diver’s (ISO-certified)
Hardlex crystal for impact and scratch resistance
Solid stainless steel case and bracelet (201g)
Enhanced legibility with LumiBrite on hands and indexes