◆IMPORTED MOVEMENT◆----- Quality 21 jewels automatic self-wind movement ; functions without a battery; powers automatically with the movement of your arm. ◆FEATURES◆-----Screw-down crown； unidirectional rotatable bezel(set second time zone or as a timer), and magnified date window at 3 o'clock； exhibition caseback. medium size : 40mm case diameter. ◆SCRATCH RESISTANT◆ ----- Synthetic sapphire crystal，adjustable solid stainless steel triple-row link bracelet, 316l surgical grade steel case. ◆LUMINOUS FUNCTION◆----- This watch’s pointers and time marks have a luminous effect (can absorb enough light from sunshine and lights) and excellent visibility, so the time can be displayed clearly in darkness. ◆WATER RESISTANT TO 200M(660 ft) ◆----- In general, suitable for professional marine activity and serious surface water sports, but not diving and pull the crown out in order to set the time.
