Deep Blue Master 1000 II 44mm Automatic Diver Watch Black Bezel/Slate Grey Blue Sunray Dial/Yellow Blue Band Model: MSTR442SLATEBLUESTRP Case Case Shape: Round Case Back: Display Case Measurements: 44mm Case Thickness: 15mm Movement Movement Type: Automatic Movement: Seiko NH 35 Movement COA: Japan Movement: 21,600 VPH 24 Jewels Strap Strap: Silicone Strap Color: Blue Strap Measurements: 8-1/2" L x 22mm W Band Width: 22mm Dial Dial Color: Slate Grey Blue Dial Material: Enamel Luminous Features: Bezel, Hands and indices Bezel Type: UniDirectional Bezel Material: Ceramic Bezel Color: Black Crystal Type: Sapphire Crown Type: Screw down Feautures Water Resistance: 300m Functions: Date/Hour/Minute/Second Display Type: Analog Additional Features: Helium Release Valve, Date Condition: New CT SKU: 580700101601