Product Features:
1. Digital display lights up instantly with a single press. Sleep mode enables extended battery life, with the display turning off after approximately 10 seconds.
2. Immersive DIY experience featuring discrete components for easy soldering—ideal for beginners to practice.
3. Transparent acrylic protective case offers clear visibility of internal structure with a sleek, high-quality finish.
4. Supports 12/24-hour format switching, clock countdown, timer function, and button mode selection.
5. Silicone strap conforms comfortably to the wrist, available in vibrant color options.

Product Specifications:
Product Name: Watch diy Kit
Strap Material: Silicone Strap
Accessory Type: Through-hole Components
Display: 0.28-inch red LED numeric display
Power Supply: 1 CR2032 button battery
Case Dimensions: 52.5 x 39.5 x 18.1mm
Strap Dimensions: 90mm + 120mm, width 20mm
Total Length: 255.5mm

Operation Instructions:
Press any button to display time; screen auto-off after 10 seconds.
Mode Switching: Simultaneously press and hold S1 and S2

Modes:
23:59 - Time-keeping mode
23:59 - Time-setting mode
5:01 - Sleep setting mode
24H - 24-hour format switch mode
0:00 - Countdown mode
0:00 - Timer mode

Sleep: In Timekeeping Mode, briefly press S1 or S2. Auto-sleep activates after 10 seconds of inactivity.

Time Adjustment: In Time Adjustment Mode, briefly or press and hold S1 to adjust minutes, S2 to adjust hours.

Auto-Sleep Switch: In Sleep Setting Mode, briefly press S1 or S2.
12/24-Hour Format Switch: In Time Format Switch Mode, briefly press S1 or S2.

Features:
1. Clock operation, time adjustment, auto sleep, and manual sleep
2. Time format switching, clock countdown, clock timer, button mode switching
3. Uses discrete components for easy soldering, ideal for beginners
4. Auto sleep mode enables extended battery life
5. Flexible switching between 12-hour and 24-hour formats
6. User-customizable countdown duration
7. Silicone strap conforms to wrist, soft and comfortable
8. Multiple vibrant color options available
Note: DIY soldering practice kit requires self-provided soldering tools and basic soldering skills

Product List:
DIY Electronic Watch Kit*1