Richard Mille RM61 ‘Yohan Blake’ ATZ Black GMT Master II The regular angles formed by

The regular angles formed by these strings limit excessive friction and localised wear on the main strings during the many impacts sustained over the course of a tennis match

30 minute recorder at 3 0'clock

The CH 29-535 PS chronograph caliber is distinguished by its architecture protected by six patented innovations

Crafted with black nappa leather and a chocolate suede lining

Richard Mille RM61 ‘Yohan Blake’ ATZ Black GMT Master II The regular angles formed byCaliber Movement Manual winding Movement Caliber RMUL1 Power reserve 55 h Case Case material Carbon Case diameter 50. 23 x 42. 7 mm Thickness 15. 84 mm Water resistance 5 ATM Bezel material Ceramic Crystal Sapphire crystal Dial Transparent Dial numerals No numerals Bracelet strap Bracelet material Rubber Bracelet color Black Clasp Buckle Clasp material Titanium