**Product Specifications:**
Brand: SHANGHAI
Model:
Watch Weight: 100g
Dial Diameter: 41.5mm
Dial Thickness: 13.5mm
Strap Length (including dial): 240mm
Strap Width: 19mm
Water Resistance: 5ATM
Crystal: Synthetic sapphire
Features: Calendar display, exposed balance wheel
Materials: Synthetic sapphire crystal, artificial ruby
Color Options: Gold case with black dial, silver case with blue dial, silver case with white dial
Adjustment Method: Crown rotation for winding, pulling out crown for time adjustment, hidden button for day adjustment
Time Setting: Wind the crown clockwise in place, pull out crown to adjust time, use hidden button for day adjustment
Brand Story: Founded in 1955, SHANGHAI watches embody the brand's pioneering spirit and commitment to craftsmanship. Drawing inspiration from Eastern aesthetics and philosophy, SHANGHAI watches tell stories of precious moments and embrace each valuable moment.
