**Product Specifications:**
**Brand:** SHANGHAI
**Model:** Metrobolitan S1
**Year of Establishment:** 1955
**Design:** Classic retro style with original texture
**Features:** Automatic movement
**Dial:** Sunray texture, Roman numerals, single calendar display
**Strap:** Genuine leather
**Case Diameter:** 41mm
**Case Thickness:** 11.5mm
**Water Resistance:** 5ATM
**Strap Width:** 22mm
**Strap Length:** 225mm
**Crystal:** Synthetic sapphire glass
**Additional Features:** Transparent case back, buckle clasp
**Quality:** 993, 64g
**Waterproof:** Daily life waterproof, 5ATM
**Crown Adjustment:** Rotate, pull out, adjust
**Instructions for Time Adjustment:**
1. Wind the crown clockwise to manually wind the watch
2. Pull out the crown to the first position to adjust the date
3. Pull out the crown to the second position to adjust the time
**Maintenance Tips:**
1. The watch's operation depends on the wearer's wrist movement
2. If the watch stops or runs slow, manually wind it to supplement energy
**Color Disclaimer:** Due to lighting and monitor differences, actual product colors may vary
**Warranty:** Each watch is guaranteed to be brand new and authentic, with a penalty for counterfeit products
Please note that the above information is for reference only. Actual product details may vary.
