- Mechanical: Function with out battery, computerized self-winding.Nonetheless, correct guide winding is indispensable,which may successfully cut back time deviation.(Word: Mechanical watch is completely different from quartz watch. Inadequate mechanical kinetic power will trigger the watch to cease, please winding it in time.)
- Sturdy Stainless Steel Strap: Full chrome steel strap with push button hidden clasp, simple to put on or modify. The excessive power mineral glass on the case might provide scratch safety.
- Waterproof:30m(3ATM/98FT)waterproof, splash/rain resistant(besides sauna, bathing, diving).