• Prospex Marinemaster 1965 Heritage Diver's Watch; First globally available series to bear the "Marinemaster" name; Inspired by Seiko's first diver's watch from 1965
• Automatic with manual winding capability
• Blue/gray uni-directional rotating elapsed timing bezel
• Light blue patterned dial
• LumiBrite hands and markers
• See-through screwdown caseback
• Tri-fold push button release clasp with secure lock and extender
• Packaged in a special collector's box
• CASE: Stainless steel case with super-hard coating
• CRYSTAL MATERIAL: Box-shaped sapphire crystal with anti-reflective coating on the inner surface
• WATER RESISTANCE: 200 meters (660 feet), follows ISO standards and is suitable for scuba diving
• DIAL COLOR: Light Blue
• STRAP: Flexible double curved stainless steel bracelet with super-hard coating
• THICKNESS: 12.3mm
• DIAMETER: 39.5mm
• LENGTH: 47.2mm
• Caliber 6L37
• 28,800 vibrations per hour
• 26 jewels
• Power reserve: approximately 45 hours