CASE: Three-body, polished and brushed, lyre lugs, unidirectional revolving blue bezel with scalloped edges, graduated to 60 minutes, gas escape valve at 10, dust cover, crown protected by crown guard, screw down back engraved in wave pattern and Seamaster logo, sapphire crystal.DIAL: Midnight blue with applied luminous dot indexes and baton quarters, outer minute/seconds divisions, aperture for the date. Skeletonized steel arrow hands with luminous tips.MOVEMENT: Cal. 1120, rhodium-plated, straight-line lever escapement, monometallic balance, shock absorber, self-compensating flat balance spring, hack mechanism.Dial, case and movement signed, in good condition, case and bezel slightly scratchedDIAM: 42 mm THICKNESS: 11 mm