**Product Specifications:**
**Brand:** SKMEI
**Movement Type:** Electronic movement
**Model Number:** 1155B
**Dial Width:** 55mm
**Case Material:** ABS+PU
**Dial Thickness:** 17mm
**Strap Material:** PU
**Strap Width:** 22mm
**Mirror Material:** High-transparency resin
**Water Resistance Level:** 50 meters
**Circumference:**
- Large: 220mm
- Small: 170mm
**Weight:**
- 74g (watch)
- 59g (package)
**Features:**
- Shockproof suspension movement
- Impact-resistant structure design
- Luminous display
- Alarm function
- Date display
- Weekday display
- Calendar display
- Backlight function
- Anti-skid buttons
- Electronic LED luminous screen
**Maintenance Tips:**
- Avoid hot baths, saunas, or extreme temperature changes
- Do not operate buttons or adjust the crown underwater
- Clean the strap/case regularly
- Keep away from magnets and direct sunlight
- Do not disassemble the watch
- Avoid impacts and drops
- Do not adjust the date between 10 PM and 2 AM
- Adjust the time in the forward direction to prevent damage
- Seek professional help for any repairs or adjustments.