Mathey-Tissot Milly Gold Mesh Swiss Made Women's Watch - D403PYN Sapphire it uses a powerful Quartz

it uses a powerful Quartz movement mechanism which stays within 20 seconds accuracy per month

An LED illumination system allows easy viewing even in the dark

as well as shock resistance

and enhanced with a water resistance of up to 5 Atm

Mathey-Tissot Milly Gold Mesh Swiss Made Women's Watch - D403PYN Sapphire it uses a powerful QuartzSKU: D403PYN Movement Type: Quartz Case Diameter: 30 mm Case Thickness: 5. 5 mm Case Material: Stainless Steel 316L YG Plated Crystal Material: Sapphire Coated Dial Colour: Black MOP Strap Material: Stainless Steel Water Resistance: 3 ATM Warranty: 2 Year International Manufacturer's Warranty