Seiko - Prospex 1968 Heritage Diver GMT 60th Anniversary Limited Edition - SPB509

Blue Wave Dial / Seiko Prospex Sea / 60th Anniversary Limited Edition of 6,000 pieces

Movement
Caliber Number: 6R54
Type: Automatic with manual winding
Power reserve: Approx. 72 hours(3 days)
Jewels: 24
Functions: 24-hour hand (dual time display function)
Stop second hand function

Case / Band
Material: Stainless steel (Bezel: Stainless steel with ceramic display)
Case Size
Thickness: 13.3 mm
Diameter: 42 mm
Lug-to-lug: 48.6 mm
Crystal: Sapphire
Crystal Coating: Anti-reflective coating on inner surface
LumiBrite: LumiBrite on hands, index(es) and bezel
Clasp: Three-fold clasp with secure lock & push button release, solid & slide adjuster
Distance between lugs: 20 mm

Other Details
Water Resistance: 300m / 1000 ft
Magnetic Resistance: 4,800 A/m
Weight: 188 g

Features
LIMITED EDITION on the case back
Serial number engraved on the case back
Unidirectional rotating bezel
Screw-down crown
Three-fold clasp with secure lock
Screw case back

SPB509 Seiko
Seiko SPB509