PROSPEX 1970 HERITAGE DIVER'S SAVE THE OCEAN SPECIAL EDITION SPB301 follows ISO standards and is suitable for scuba diving with a 6-month power reserve andCentralsweepsecond The masculine architectural design Lug Width (Lug-Buckle):18-16 FC-303GRS3NH6B

with a 6-month power reserve when fully charged and an on-dial power reserve indicator

600 vibrations per hour and a power reserve of approximately 70 hours

this elegant timepiece also offers a box shaped sapphire crystal with anti-reflective coating on the inner surface and a deployment clasp with push button release

as well as the King Seiko crest on caseback and crown

and a tri-fold push button release clasp with secure lock and extender

PROSPEX 1970 HERITAGE DIVER'S SAVE THE OCEAN SPECIAL EDITION SPB301 follows ISO standards and is suitable for scuba diving with a 6 month power reserve andCentralsweepsecond The masculine architectural design Lug Width (Lug Buckle):18 16 FC 303GRS3NH6B with a 6 month power reserve when fully charged and an on dial power reserve indicator 600 vibrations per hour and a power reserve of approximately 70 hours