STEELDIVE Bronze 300m Dive Watch Sapphire Crystal Ceramic bezel NH35 C3 Luminous Automatic Watches Bronze Tuna Mechanical Watch

Movement type: fully automatic mechanical movement (two-way automatic winding)
Movement model: Japan NH35
Movement characteristics: 3 hands / calendar, frequency 21,600 times per hour
(3Hz), stop second device, two-way automatic winding, 24 stone, 41 hours
Energy storage.
Case material: CuSn8 bronze
Case process: sand pulling
Bottom cover material: 316L stainless steel
Bottom cover type: screw-in solid bottom cover
Case diameter: 47.5mm (excluding the head)
Case length: 44mm (total length from top to bottom)
Case thickness: 15mm (including table mirror and bottom cover)
Case ear position: 22mm (where the case and the strap are connected)
Head weight: 98g (without strap)
Whole watch weight: 125g (including silicone strap)
Watch length: 260mm (the total length of the watch/circumference)
Strap material: silicone/rubber
Table mirror material: synthetic sapphire
Table mirror type: single sapphire
Table mirror coating: anti-glare blue coating
Table mirror size: 31.5*3.9mm (diameter * thickness)
Bar head type: screw-in screw lock bar
Head size: 7mm (diameter)
Bezel material: bronze embossed ring/ceramic filled luminous ring
Bezel features: 120 tooth ring unidirectional rotation
Bezel Luminous: 240,000/KG Swiss BGW9 super luminous powder, blue
Light (Bronze embossed circle is blue luminous beads, non-full circle luminous)
Bezel size: 38*31.6*1.2mm (outer diameter * inner diameter * thickness)
Surface color: matte black real nail super luminous
Surface luminous: 240,000/KG Swiss C3 super luminous powder, glowing green
/240 thousand/KG Swiss BGW9 super luminous powder, blue light
Surface size: 31.2*30.0*28.5*0.4mm (wire hole * surface diameter * opening surface * thickness)
Hand craft: sand-drawing needle
Watch hands luminous: 240,000/KG Swiss BGW9 super luminous powder, blue
Light
Hand size: 8*12*12mm (hour hand * minute hand * second hand length)
Waterproof level: 300 meters waterproof/diving [can wash hands, swim,
Diving, meet all daily waterproof use]
Exhaust valve: none
Warranty period: three-year free warranty
Packaging standard: professional waterproof plastic box packaging