MOVEMENT Mechanical, self-winding China Made Caliber: Sea-Gull ST2130 Functions: Hour, minute, second, date. Quick date setting. Instant date change. Stop-seconds (hacking) to set time precisely Jewels: 28 Frequency: 28800 vph Power reserve: Around 42 hours
CASE 316L stainless steel Diameter: 43.5 mm Thickness: 13.5 mm Lug width: 22 mm Lug to lug: 51 mm Water resistance: 300 meters Weight: 103 grams (the whole watch including strap) Luminescence: Luminescence on hands, hour markers and the triangle-and-N marking on bezel Bezel: Black Chronograph bezel Anti-clockwise rotatable 90 clicks in a full rotation. Sapphire crystal bezel insert Dial: Black. Loong scale pattern. Applied hour markers, the Sea-Gull watch graphic logo and a five-pointed star Crystal: Sapphire crystal. Flat. Has anti-reflective coating Case back: Screw-down notched. Not transparent. 316L stainless steel case back Crown: Screw-down. Fluted cylinder shape. Signed with the Sea-Gull watch logo.
STRAP Black Nylon. Quick release: Remove strap from case without tool. Fit for case lug width: 22 mm Clasp: Hook-and-loop fastener. Stainless steel clasp. (Additional strap: Silver color. 316L stainless steel links. Quick release: Remove strap from case without tool. Clasp of additional strap: Fold-over clasp. Stainless steel material.)
