TUDOR Black Bay 58 watch — M79030B-000339mm steel case, NATO blue fabric strap (steel bracelet sold separately if interested)Pre-owned but gentle wear, essentially newCase39mm steel case with polished and satin finishMovementManufacture Calibre MT5402 (COSC)Self-winding mechanical movement with bidirectional rotor systemPower ReservePower reserve of approximately 70 hoursWinding CrownSteel screw-down winding crown, with the TUDOR rose in relief, with circular satin-brushed steel winding crown tubeWaterproofnessWaterproof to 200m (660 ft)BezelUnidirectional rotatable bezel in steel with 60-minute graduated disc in matt blue anodised aluminium and silver gilded markings and numeralsDialBlue, domedCrystalDomed sapphire crystalBraceletBlue fabric strap with buckle