Retail $11300. Limited Edition. Brand: Graham Series: Grand Silverstone Luffield Night Racer Reference: 2GSIUS.B05A.K07B Case Size: 45mm Wide (51mm Including Crown) Case Length 52mm Lug to Lug Gender: Gents Movement: Automatic Functions: Hours, Minutes, Seconds, Date, Chronograph, GMT Strap: Rubber Strap Clasp Type: Tang Included Items: Manufacture's Box and Papers Power Reserve: 42 Hours Movement: Graham Swiss Automatic Movement Materials: Steel Finishing: Steel case . Black rubber strap Case Back: Solid Crown: Screw Down Dial Color: Black Carbon Fiber Dial Date Window At 6 0'clock Water Resistant to 100 Meters / 330 Feet Black Rubber Strap With a Black Steel Tang Buckle.