Mathey-Tissot Mathy Day-Date Series. Analog quartz movement (Ronda Caliber 517). Green dial featuring luminous hands and index hour markers with minute markers around the outer rim for analog time reading. Date display at the 3 o'clock position, day of the week display at the 6 o'clock position. Yellow gold plated stainless steel case measuring 41 mm in width, 11 mm thick, round shape. Scratch resistant sapphire crystal lens. Fixed bezel also yellow gold plated and made of stainless steel. Pull/push crown. Solid case back. Band is a strap (22 mm width) compatible with the provided bracelet (yellow gold plated stainless steel). Water resistance: 50 meters / 165 feet. Swiss Made watch.