Bremont - A steel 'Supermarine S500' wristwatch, circa 2017, model S500/BL, serial number 15670, circular, part textured blue dial, with white markers, hands, centre sweep and day/date windows at 3H, signed mechanical automatic chronometer rated movement under a metal cover with crown at 2H, case, 43mm diameter, blue and white uni-directional rotating bezel, to a blue strap with pin buckle, presented in the original case, with outer card box, warranty and guarantee cards dated 20/7/2017, instruction booklet and original receipt