Incorporate a Quantum Technology TESLAR Made in USA Turbo Chip from TESLAR Technology: Japanese Quartz Hours & Minutes with Small Seconds and Battery Coil System. Case: 40mm Stainless Steel Veritcal Brush with Rose Gold IP Shiny Top Ring Strap: 25-20mm Stainless Steel Vertical Brush Closure: Stainless Steel Sand Blast Finish Dial: Silver Guilloche with Yellow Gold Arab Number Water resistance: 5ATM-50Mt Teslar Technology has been designed to resist the harmful effects of electromagnetic frequency radiation such EMF , ELF, and 5G. It may reduce the negative effect of stress