Tudor Black Bay GMT 79830RB, front view of the watch dial, bezel, and jubilee bracelet on red fabric. Tudor Black Bay GMT Pepsi Steel 41mm 79830RB 79830RB Inquire Tudor Black Bay GMT M79830RB-0001 dial, stainless steel bracelet, and blue and red "Pepsi" bezel. Tudor Black Bay GMT Pepsi Steel 41mm M79830RB-0001 M79830RB-0001 Inquire