Specifications – Seiko Prospex Diver’s 300M Limited Edition

Movement

• Caliber Number: 6R54

• Movement Type: Automatic with manual winding

• Precision: +25 to -15 seconds per day

• Power Reserve: Approx. 72 hours (3 days)

• Jewels: 24

• Functions:

  • 24-hour hand (dual time display function)

  • Stop second hand function

Case / Band

• Case Material: Stainless steel

  • Bezel: Stainless steel with ceramic insert

• Case Size:

  • Diameter: 42.0 mm

  • Thickness: 13.3 mm

  • Lug-to-Lug: 48.6 mm

  • Distance Between Lugs: 20 mm

• Crystal: Sapphire crystal

• Crystal Coating: Anti-reflective coating on inner surface

• LumiBrite: On hands, indexes, and bezel

• Clasp: Three-fold clasp with secure lock, push button release, solid construction & slide adjuster

Other Details

• Water Resistance: 300m / 1000ft diver’s

• Magnetic Resistance: 4,800 A/m

• Weight: 188.0 g

• Features:

  • Limited Edition engraving on case back

  • Individually numbered case back

  • Unidirectional rotating bezel

  • Screw-down crown

  • Screw case back

  • ISO-certified for saturation diving