Seiko Prospex Prospex Sea SPB534

1968 Heritage Diver's GMT Watch 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 with ceramic bezel
• Case Size: Thickness:13.3mm, Diameter:42.0mm, Lug-to-lug:48.6mm
• Crystal: Sapphire crystal
• 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

Other Details

• Water Resistance: 300m / 1000ft diver's
• Magnetic Resistance: 4,800 A/m
• Weight: 188.0g
• Features: LIMITED EDITION on the case back, Serial number engraved on the case back, Unidirectional rotating bezel, Screw-down crown, Screw case back, In an actual product, the case back direction might be different from the photograph.