Calendar waterproof luminous mechanical watch

Shell material: 316SS (one-piece shell)
Shell: 47.8*14.4MM
Machine core: JapanNH35 Tianma degree NH35
Luminous: Super luminous C3 Swiss C3
Chronograph: Ceramic Bezel (FULLY LUMED C3) ceramic
Glass: Double-arc sapphire glass
Strap: SS band steel band
Waterproof): 300M (waterproof 300M)