Waterproof ghost watch $ 229.48 Model: HMCF21 Power mode: fully automatic machinery Movement: Seiko NH36A Time accuracy: within 10 seconds of average daily difference Table mirror material: sapphire table mirror Table mirror coating: anti-reflection film/anti-reflective film/anti-fouling film Case material: aluminum bronze Crown material: aluminum bronze Case rotation: anti-reverse rotation Crown structure: screw-in lock waterproof type Strap material: handmade leather Clasp style: pin buckle Luminous material: Japan C3 super luminous powder Waterproof depth: 200m saturated diving waterproof Whole table size: 46mm*44.8mm (including crown) Overall thickness: 13mm Warranty time: two years warranty