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Diameter: 37 x 28.6 x 8.4 mmCase Material: SapphireBezel: SapphireCrown: 18K white gold set with 5 baguette-cut diamonds (~0.12 carat)Water link Resistance: 30 metersStrap/Bracelet: link Shiny black alligator pattern calfskin strap with 18K white gold triple-folding buckleLimited Edition: 100 piecesAvailability: NowCaliber: Caliber 3 manual-winding, link in-house manufacture black skeleton mechanical movementFunctions: Hours, minutes, secondsPower Reserve: ~55 hours

In addition to the new case design the Blast is also link debuting a new folding clasp. link When you close the portion with the gold buckle it sets the other side in motion simultaneously so that you don't need to grab both parts or close the bottom side first. link The clasp can be closed in one easy motion.