Jaeger-lecoultre, Flip Series, Model: Q2578422, men's automatic mechanical, 40.1×24.4mm stainless steel case, double-sided flip function, sunpattern silver dial, Arabic numerals, blue steel hands, deep blue crocodile leather, retro gentlemanly style, strong playability, full of style when worn in formal wear, purchased in 2018, attachment as shown in the picture!