Tecnotempo - Diver 300 m wr "Seadiving Limited Edition Case diameter: 40 mm (excluding crown) Case thickness: 13.5 mm Strap width: 20 mm Water resistance: 300 meters (30 atm) The circumference of the watch is approximately 21 cm Weight: 180 g NH36 automatic movement (English/Italian date display) Sapphire crystal Screw-down crown Date (to avoid possible damage to the watch mechanism, do not manually change the day/date with the crown if the watch time is between 8:00 p.m. and 3:00 a.m.; this rule applies to all watches with a date display) Stainless steel case Stainless steel strap 300 meters water resistance (30 atm)