IWC IW516401
IWC Portofino series, model: IW516401, diameter: 45mm, white dial, golden hour markers, stunning blue starry sky moon phase at 12 o 'clock, date display, eight-day power reserve indication, independent small seconds hand, made of stainless steel, equipped with the in-house 59800 manual winding movement with a large case back, 192-hour power reserve!