Genuine premium leather watch bracelet with carbon fiber embossing. The strap features a nickel-free classic buckle which is also a plus since nickel can cause irritation in contact with skin. Complete with stainless steel buckle and two FREE spring bars.</br>Watch band lining is made of natural caoutchouc and combination of this unique material with fine quality leather makes this model one of strongest and the most durable in the whole collection. Contrast stitching and distinct rectangular padding give the watch band a rugged sporty look. Carbon strap can survive a dive up to a depth of 100 meters without any fear for its condition.</br>Watch bands are made of high end Italian calfskin with rubberized lining. Waterproof up to 100 meters. Ideal choice for a high energy active lifestyle. Strap length without a buckle (in inches): regular - 4.7 & 3.1 short - 4.3 & 2.8 extra long - 4.7 & 3.9.</br>The strap is standard style fits Rolex Blancpain TAG Heuer Omega Breitling Patek Philippe Seiko Longines IWC Panerai Ulysse Nardin Raymond Weil Cartier Hamilton Fr?d?rique Constant Franck Muller Corum Casio Timex?? Fossil?? Breguet?? Citizen?? Longines?? Nomos?? Tissot?? Nixon??