Movement: Genuine Japanese Quartz Movement. Hack mechanism: Second hand stops when crown is pulled out to set the time. Case Size: 42*38*12 mm. Case Material: Highly polished stainless-steel. Functions: Genuine scratch resistant, sapphire crystal. Numerals: Arabic. Water Resistance. These are hand crafted replica watch with exact weight, feel, and 100% look of the originals. Why pay the Genuine Retail price when you can have this one for a fraction of the cost...