Roman-style Semi-automatic Mechanical Pocket Watch

Product information:
Color: Copper, black, silver, as shown in the picture
Thickness: 15 mm
Style: Antique style
Mirror Material: Ordinary glass mirror
Thickness: 15 mm
Case Back Type: Transparent case back
Crown Type: Onion-crown
Dial Diameter: 45 mm
Dial Shape: Round
Case Material: Alloy