The case, in stainless steel, measures 44mm x 15mm. It has an AR-coated sapphire crystal, a luminous ceremic bezel, and it is water resistant to 330 meters. Helium Release valve at 10 o'clock position
Movement is the new Japanese automatic Citizen/Miyota caliber 8315 with 21 jewels, 21,600 vph and a power reserve of 60 hours. It hacks and can be hand-wound. It features a modified hairspring and barrel, giving it an additional 20 to 25 hours of power reserve. Deep Blue has been granted the exclusive first use of this new caliber.