The Seiko 8222A is a dependable and straightforward quartz analog movement designed primarily for precise timekeeping with essential date functionality. Manufactured during the 1980s and 1990s, the 8222A showcases Seiko’s hallmark quartz technology with a clean, no-frills design emphasizing reliability and ease of use. This movement is typically found in Seiko watches targeting users seeking accurate daily wear timepieces without additional complications.

Technical Specifications

• Caliber Number: 8222A

• Movement Type: Quartz (Analog)

• Display:

  • Hours, minutes, and central seconds hands

  • Date window (usually at 3 o’clock)

• Accuracy: Approximately ±20 seconds per month

• Battery Type: SR927W (1.55V silver oxide)

• Battery Life: Approximately 2 to 3 years

• Jewels: None (electronic movement)

• Crown Positions:

  • Position 0: Normal operation

  • Position 1: Date adjustment

  • Position 2: Time adjustment

Key Features

Timekeeping Accuracy

Powered by a quartz crystal oscillator, the 8222A provides stable and precise timekeeping suitable for everyday use. The movement’s accuracy typically remains within ±20 seconds per month, ensuring dependable performance.

Date Function

The date is displayed in a window typically located at 3 o’clock on the dial. The quick-set date feature enables easy manual adjustment without affecting the time display.

Energy Efficient

Using an SR927W silver oxide battery, the 8222A offers battery life of approximately two to three years, making it low maintenance and cost-effective.

Operating Instructions

Time Setting

1. Pull the crown out to the second click (Position 2).

2. Rotate the crown clockwise or counterclockwise to set the desired time.

3. Push the crown back in to Position 0 to resume normal operation.

Date Setting

1. Pull the crown out to the first click (Position 1).

2. Rotate the crown clockwise to advance the date.

3. Avoid adjusting the date between 9 PM and 2 AM to prevent damage to the date mechanism.

4. Push the crown back to Position 0 after adjustment.

Battery Replacement and Maintenance

• The movement is powered by an SR927W silver oxide battery.

• Typical battery life ranges between 2 to 3 years.

• Battery replacement should be done professionally to maintain water resistance and proper sealing.

• No reset is usually required after battery change; however, time and date will need resetting.

Maintenance Recommendations

• The 8222A movement is fully electronic and does not require lubrication.

• Avoid exposure to magnetic fields, shocks, and extreme temperatures.

• Regular cleaning of the case and crystal is recommended, especially after exposure to sweat or water.

• Water-resistant watches should be pressure-tested regularly to ensure integrity.

Watches Featuring the 8222A

This movement was commonly used in Seiko’s:

• Entry-level and mid-range quartz watches from the 1980s and 1990s.

• Watches focusing on essential time and date functions without additional complications.

• Models with simple, classic dial designs and reliable construction.

Summary Table

Conclusion

The Seiko 8222A is a reliable quartz movement providing straightforward analog timekeeping and date functionality. Its durability, accuracy, and simplicity make it an excellent choice for users seeking a dependable daily watch with minimal maintenance. While lacking advanced features, the 8222A represents Seiko’s focus on producing solid, affordable movements with enduring quality and precision.