Note 1: The watch has no logo version, neither the back cover nor the crown has a logo Note 2 : Since the watch has been upgraded, black and silver pointers is shipped randomly. The watch has a logo version, ADDIES logo and ADDIESDIVE logo is shipped randomly Note2No logo version of the watch, text at the bottom of the dial, no text at the bottom of the dial, shipped randomly Product parameter Movement type: automatic mechanical movementMovement model: Japan NH35Movement features: 3 hands/calendar, frequency 21,600 times per hour (3Hz), stop second device, two-way automatic winding, 24 stone, 41 hours of energy storage.Case material: 316L stainle steelCase proce: sand pullingBottom cover material: 316L stainle steelBottom cover type: screw-in bottom coverCase diameter: 39mm (excluding the head)Case length: 49mm (total length from top to bottom)Case thickne: 12mm (including table mirror and bottom cover)Case ear position: 20mm (where the case and the strap are connected)Whole table weight: 149gWatch length: 230mmWearing range: 14-21cmStrap material: 316L stainle steelTable mirror material: synthetic sapphire crystalTable mirror type: flat sapphireTable mirror coating: anti-glare blue coatingTable mirror size: 33.5*1.8mm (diameter * thickne)Crown type: screw-in screw lock barCrown size: 7mm (diameter)Waterproof level: 200 meters waterproof/diving [can wash hands, swim, dive, meet all daily waterproof use]Warranty period: 3 years free warrantyPackaging standard: profeional waterproof plastic box packaging