The Seiko Prospex SRPG57 Save The Ocean Arctic Special Edition is a 42.4mm automatic dive watch inspired by Antarctic ice and ocean exploration. Featuring Seiko’s reliable automatic movement, a textured blue “Save The Ocean” dial, stainless steel case and bracelet, Hardlex crystal, and 200-metre water resistance, this Prospex diver delivers durability, legibility, and everyday performance.
 
Key Features
• Seiko automatic movement (Caliber 4R36)  
• 42.4mm stainless steel case & bracelet  
• “Save The Ocean” textured blue dial inspired by Antarctic ice  
• Hardlex crystal with magnifier over day/date  
• 200-metre water resistance (diver’s standard)  
• LumiBrite hands and markers for low-light visibility  
• Screw-down crown and case back