• Automatic mechanical watch， self-winding， doesn't need battery， environmentally friendly
• Three small working sub-dials: One to display date， one to display day and one as 24-hour format hour dial
• Leather strap， comfortable to wear and durable to use
• Back cover hollow-out design， let you see the complex structure of the watch
• Stainless steel case， sturdy in structure and scratch-resistant
• Classic pin buckle， easy to adjust the length