Case dimensions (men's size): 45 x 36 mm excluding crown MPN: C451 - Style: Luxury le lock Brand: Tissot PR 100: Adult Features: dial at 12 o'clock, chronograph, moon phase bezel Bezel: 18 kt gold Crystal: scratch-resistant sapphire in very good condition Watch shape: round model: PR 100 Case colour: silver, yellow gold Crown type: screw-down Strap type: strap / strap Material: stainless steel - Year of manufacture: 1970-1979 Display: analogue - Country / region of manufacture: Switzerland Movement: mechanical (automatic) Number of jewels: over 23 Case finish: 18 kt gold and steel Case thickness: 1.4 mm Strap material: stainless steel, two-tone Strap colour: gold, steel Colour: yellow gold Tracked and insured shipping. In perfect working order. With Tissot box but not original from this period watch, and instruction booklets in French-English.