SEIKO 5 Sports Collection Automatic Men's Watch SRPK18 Instruction Manual

1. Product Overview

The SEIKO 5 Sports Collection Automatic Men's Watch SRPK18 is a sophisticated timepiece featuring a rich black dial with luminous hands and markers, framed by a gold uni-directional rotating elapsed timing bezel. Crafted from stainless steel with a luxurious gold finish, this watch is designed for durability and style. It is powered by a 24-jewel automatic movement (Caliber 4R36) with a power reserve of approximately 41 hours and manual winding capability. The watch is water-resistant to 100 meters (10 bar), making it suitable for various activities.

Key features include a day/date calendar display and a screwdown see-through caseback, allowing a view of the intricate mechanical movement. The Hardlex mineral crystal provides enhanced scratch resistance.

Figure 1: Front view of the SEIKO 5 Sports Collection Automatic Men's Watch SRPK18.

2. Setup

2.1 Initial Winding

Your SEIKO automatic watch is powered by the motion of your wrist. Before initial use or if the watch has stopped, it needs to be wound. You can do this in two ways:

• Manual Winding: Rotate the crown clockwise several times (approximately 20-30 turns) while it is in the normal (pushed-in) position. This will start the movement and build up some power reserve.
• Automatic Winding: Wear the watch on your wrist. Normal daily activities will cause the rotor inside the watch to spin, winding the mainspring. For a full power reserve (approx. 41 hours), wear the watch for at least 8-10 hours.

2.2 Setting Time and Date

1. Pull out the crown: Gently pull the crown out to the second click position. The second hand will stop.
2. Set the time: Rotate the crown to move the hour and minute hands. To ensure accurate time setting, set the time a few minutes ahead and then turn the crown counter-clockwise to the desired time.
3. Push in the crown: Once the time is set, push the crown back into the normal position. The second hand will resume movement.
4. Setting the Day/Date: Pull the crown out to the first click position. Rotate the crown clockwise to set the date and counter-clockwise to set the day. Avoid setting the day/date between 9:00 PM and 4:00 AM, as this can damage the movement.
5. Final Adjustment: After setting the day/date, push the crown back to the normal position.

2.3 Bracelet Adjustment

The stainless steel bracelet can be adjusted by adding or removing links. It is recommended to have this procedure performed by a qualified watchmaker or SEIKO service center to prevent damage to the bracelet or watch.

Figure 2: Side view of the watch, highlighting the crown for time and date adjustments.

3. Operating Your Watch

3.1 Automatic Movement

The Caliber 4R36 movement is a self-winding mechanical movement. It does not require a battery. The mainspring is wound by the natural motion of your arm while wearing the watch. If the watch is not worn for an extended period, it will stop. Simply re-wind it manually or wear it to restart.

3.2 Water Resistance (100M / 10 Bar)

This watch is water-resistant to 100 meters (10 bar). This means it is suitable for everyday use, swimming, and snorkeling. It is not suitable for scuba diving. Always ensure the crown is fully pushed in before exposing the watch to water.

Figure 3: Illustration of water resistance for SEIKO watches.

3.3 Uni-directional Rotating Bezel

The watch features a uni-directional rotating bezel. This bezel can be used to measure elapsed time. Rotate the bezel counter-clockwise to align the zero mark with the minute hand. The minute hand's position on the bezel will then indicate the elapsed time.

4. Maintenance

4.1 Cleaning Your Watch

To maintain the appearance of your watch, wipe it regularly with a soft, dry cloth. For stubborn dirt, especially on the bracelet, use a soft brush with mild soapy water, then rinse thoroughly with fresh water and dry completely. Ensure the crown is fully pushed in before cleaning with water.

4.2 Water Resistance Care

Avoid exposing your watch to hot water, steam, or sudden temperature changes, as this can affect the water-resistant seals. After exposure to saltwater, rinse the watch with fresh water and dry it thoroughly. Have the water resistance seals checked periodically (e.g., every 2-3 years) by an authorized service center.

4.3 Storage and Servicing

When not wearing your watch, store it in a cool, dry place away from direct sunlight and strong magnetic fields. For optimal performance and longevity, it is recommended to have your automatic watch serviced by an authorized SEIKO service center every 3-5 years.

Figure 4: Rear view of the watch, showcasing the automatic movement through the transparent caseback.

5. Troubleshooting

• Watch has stopped or is running inaccurately: The watch may not have sufficient power reserve. Manually wind the watch by turning the crown clockwise 20-30 times, or wear it continuously for 8-10 hours.
• Day/Date changes at noon instead of midnight: This indicates the AM/PM setting is incorrect. Advance the time by 12 hours.
• Condensation inside the crystal: This may indicate a breach in the water resistance. Immediately take the watch to an authorized SEIKO service center for inspection and repair.
• Crown is difficult to operate: Ensure no debris is lodged around the crown. If the issue persists, do not force it and contact a service center.

6. Specifications

Figure 5: The SEIKO SRPK18 watch worn on a wrist, demonstrating its fit and aesthetic.

7. Warranty & Support

7.1 Product Warranty

SEIKO watches typically come with a manufacturer's warranty covering defects in materials and workmanship. Please refer to the warranty card included with your purchase for specific terms, conditions, and duration of coverage. Keep your proof of purchase for warranty claims.

7.2 Customer Support

For any questions, service requests, or technical support regarding your SEIKO watch, please contact an authorized SEIKO service center or visit the official SEIKO website for customer service contact information. Do not attempt to open or repair the watch yourself, as this may void the warranty.

8. Additional Resources

8.1 Official Product Video