Seestern Full Lume Monster Black 41.3mm Automatic Men's Diver Watch NH36A WR200 Case Material: All 316L Stainless Steel (PVD Coating) Bezel: Unidirect rotatable bezel (360 degrees) Case back: Pattern embossed Crystal: Flat sapphire crystal Movement: Seiko SII NH36A Automatic Movement (English and Japnese Date, lumed) Strap: Stainless Steel Dive Strap with milled clasp Lugs: Drilled lugs for easy strap removal Water resistance: 200 m / 20 ATM Luminous: Japan lume glowing blue Dial: Full lume Dial Diameter: 28.9 mm Height: 13.6 mm Diameter: 41.6 mm Lug to lug: 46.56 mm Weight: 192.8 g Lug Size: 20 mm Crown: Screw-Down (signed) Warranty: 1 Year Condition: New CT SKU: 590300100901