Seagull x Automatic ft. Heritage Edition aka 24 Solar Terms aka Big Dipper Men Formal Round 50m Water Resistant Watch 819.32.1078 Discover the Seagull Heritage Edition 24 Solar Terms, a celestial timepiece featuring the rotating Big Dipper to mark the traditional Chinese lunisolar calendar. With a stainless steel case, sapphire crystal and in-house ST2150 automatic movement, this watch honors astronomical heritage. Module / Movement ST2150 (automatic with manual winding capacity) Power Reserve Approximately 42 hours Crystal Sapphire crystal Luminous Luminous on hands Case / Band Material Stainless steel case with leather band Water Resistance 50m / 5 bar Case Size Thickness: 13.3 mm Diameter: 42.3 mm Length: 48.5 mm Lug width: 22.0 mm Other Specifications Seagull x Automatic ft. Heritage Edition aka 24 Solar Terms aka Big Dipper Bidirectional rotating bezel See-through case back Screw case back 28 jewels Stop second hand function (hacking mechanism) Regular timekeeping (analog display)