The version you're looking at is from the ZF factory.Appearance parameters, and movement quality are very good.
Detailed specifications :
Factory : ZF Factory Case Material: 316L Stainless Steel Strap Material: 316L Stainless Steel Movement: Swiss eta 5100 Movement Case Size: 41mm Glass: Saphire Crystal Water Resistance: 5atm 50m Function: All Functions Working. Functions the same as the genuine version.
