Brand: Tudor Series: Grantour Chrono Fly-Back Model: 20550N-BKLPL Gender: Men's Bezel: Fixed Stainless Steel with a Lacquered Black Top R Case Material: Back: Solid Case Material: Dimension: 42 mm Case Material: Shape: Round Crown: Screw Down Band Type: Strap: Clasp: Folding Bracelet: Black Large Perforated Leather Dial: Type: Analog Dial: Color: Black Crystal: Scratch Resistant Sapphire Hands: Luminous Second Markers: Minute Markers around the outer rim Dial: Markers: Index Calendar: Date display at the 6 o'clock position Feature: Chronograph;Leather;Stainless Steel Movement: Automatic Functions: Chronograph, Date, Hour, Minute, Second Power-Reserve: 42 hours Water Resistant: 150 meters / 500 feet