Specifications : Automatic with manual winding Caliber No. : ETA 2824 Date window: +/- 5.9 seconds a day 25 Jewels Power Reserve : 40 hours 28,000 BPH Case Size : Height : 13 mm Diameter : 43 mm Lug width : 21 mm Bezel finish : Polished-brushed Bezel material : Stainless steel Case back material : Stainless steel Case material: Stainless steel Strap Material : Wooden Leather Dial finish : Guilloché Sapphire Crystal Glass Case color : Silver Bezel color : Silver Dial color : Blue Bracelet color : Brown Weight : 110 g Screw-in case back See Through case back Closure Deployant clasp Bezel rotation : Fixed bezel Date Display Luminescent hands Water resistance : 20 ATM/200 M/660 FT