Chronofighter R.A.C. Black Speed 
Ref. 2CRBS.B01A.L31B

Automatic bi-compax column wheel calibre G 1742. 42 hour power reserve
Stainless steel case, fast action start & stop lever, large reset pusher, 43 mm diameter, and sapphire crystal case-back.
Black dial with Côtes de Genève
Water-resistant up to 160 feet (50 metres)
Black rubber strap, black, brown or bomber-jacket calfskin bracelet with ecru or orange stitching.