**Specifications:**
**Brand:** SHANGHAI
**Established:** 1955
**Collection:** Tribute to Pioneers Mechanical Watch Series
**Model:** Uinn
**Design Inspiration:** SHANGHAI landmark building
**Mirror Design:** Curved mirror design with sapphire glass
**Dial:** Arabic numerals and three-dimensional ridge-shaped studs
**Logo:** SHANGHAI logo in bold font
**Case Back:** Retro magnolia flower window design with calligraphy logo
**Movement:** Automatic mechanical movement
**Accuracy:** Within -20 to +50 seconds per 24 hours
**Power Reserve:** Minimum 8 hours of wrist movement required
**Water Resistance:** 50 meters
**Additional Features:** Red dot second hand, magnolia flower window case back, manual winding instructions
**Quality Assurance:** Each watch is guaranteed to be brand new and authentic
**Inspection Report:** Conducted by SHANGHAI Clock and Watch Quality Supervision and Inspection Station
**Quality Standards:** Includes stability of movement, reliability of use, accuracy of timekeeping, water resistance, and overall appearance
Please note that the specifications mentioned above are based on the provided information.