Movement type: automatic mechanical movement
Case material: CuSn8 bronze
Bottom cover material: 316L stainless steel
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)
Watch length: 260mm (the total length of the watch/circumference)
Strap material: silicone/rubber
Table mirror material: synthetic sapphire crystal
Table mirror coating: anti-glare blue coating
Table mirror size: 31.5*3.9mm (diameter * thickness)

BGW9: Bronze embossed circle Blue luminous elastic rubber strap

C3:Bronze embossed circle Green luminous elastic rubber strap

C3: Ceramic luminous circle green luminous elastic rubber strap