Movement: TAG Heuer Calibre S, an electro-mechanical movement. Movement combines mechanical and quartz timekeepin Functions: The LINK Calibre S offers two operating modes: "TIME" mode and "CHRONOGRAPH" mode. In TIME mode: Fitted with a perpetual calendar applicable until 2099, the counters indicate the date. In CHRONOGRAPH mode: The left-counter indicates tenths of a second and the right-counter, hundredths of a second. Dial: elegant, with a hand applied luminescent index to provide perfect legibility in darkness. Monochrome TAG Heuer logo. Marked with "LINK ? Calibre S". Hands: angled, with a luminescent coating to facilitate reading the time in darkness. Case: in satin-finish steel, with a 42mm diameter. Glass: scratch-resistant sapphire crystal with double-sided, anti-reflective coating, inside and out, for optimum dial legibility. Bezel: tachometer bezel in polished steel. Case back: screw-in and water resistant to 200 metres. Time and date adjustment instructions marked on the case back. Bracelet: "S" link, satin-finish steel. Double safety clasp with folding buckle.