The ZIIIRO Mercury Watch bring some extra class to the party combining the time movement of the Gravity with a 24mm stainless steel mesh band. Time is read using a continuous gradient movement with the tip of the inner swirl representing the current hour, and the outer swirl displaying the minutes. [Details] CASE WIDTH: 40MM CASE THICKNESS: 8MM TAPERED MESH STRAP: 23MM TO 21MM 316L STAINLESS STEEL MIYOTA 1L-26 QUARTZ MOVEMENT HARDENED MINERAL CRYSTAL SNAP-UP CASE BACK BATTERY: SR616SW WATER RESISTANT - 3ATM 1 YEAR WARRANTY Z0002WS2