Limited Edition Girard Perregaux Chronograph R&D 01. Stainless steel 43 mm case. Black dial with white, luminous hands and Arabic numerals. 60 seconds register, 12 hour register, 31 day register, and day night indicator register. Transparent caseback. Adjustable black rubber strap with a stainless steel deployment buckle. Automatic movement. Sapphire crystal. Reference 49930. This watch is backed by our two year warranty.