Seiko Prospex Automatic Diver's Watch - SPB101J1
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Product Information
Full details
This guide is for owners of the Seiko Prospex Automatic Diver's Watch (SPB101J1), often called the "Sumo." It provides essential information to help you understand and enjoy your watch. The SPB101J1 offers robust functionality and classic dive watch styling. It's built for durability and reliability, with a caveat: its size may be a consideration for those with smaller wrists.
All features
| Series | Prospex |
|---|---|
| Model Part Number | SPB101J1 |
| Brand | Seiko |
Extended Product Information
FAQs
How often should I have my watch serviced?
It is generally recommended to have your Seiko Prospex SPB101J1 serviced every 3-5 years, or if you notice any performance issues.
Is the watch suitable for swimming and diving?
Yes, it is water-resistant up to 200 meters, making it suitable for professional diving and water activities.
How do I adjust the bracelet?
You can adjust the bracelet by removing or adding links. This may require a specialized tool, so it's often best to have a watchmaker do this.
How do I clean the watch?
Wipe the watch with a soft, damp cloth. Avoid using harsh chemicals or abrasive cleaners.
What kind of movement does the watch have?
The watch uses an automatic movement, powered by the motion of your wrist.
What is the power reserve of the watch?
The power reserve is approximately 70 hours when fully wound.
What is the warranty period?
The warranty period is typically two years from the date of purchase.
Where can I get the watch serviced?
You can have the watch serviced at an authorized Seiko service center or by a qualified watchmaker.
Troubleshooting
Watch is not keeping accurate time.
Have the watch serviced by a qualified watchmaker. The watch may need to be demagnetized.
Watch has stopped working.
Ensure the watch is wound and/or has enough power reserve. If the problem persists, seek professional service.
Fogging under the crystal.
This indicates water intrusion. Immediately take the watch to a qualified watchmaker for inspection and repair.
Pros and Cons
Pros
- Durable stainless steel construction.
- Reliable automatic movement.
- Excellent water resistance for diving.
- Clear and easy-to-read dial.
- Stylish and classic design.
- Secure clasp with an extender for a comfortable fit.
Cons
- Size may be large for some wrists.
- Requires regular servicing to maintain accuracy.
- The unidirectional bezel can be prone to accidental movement.
- Bracelet adjustment may require specialized tools.
- Limited visibility in very dark conditions if the lume hasn't been charged well.
Setup, Compatibility & Care
*Setting the Time and Date*: Pull the crown out to the first position to adjust the date and to the second position to set the time.
*Winding the Watch*: If the watch has stopped, manually wind it by turning the crown clockwise about 20-30 times. This will give it enough power to start.
*Compatibility*: This watch is compatible with standard watch straps if you wish to change the bracelet.
*Care*: Rinse the watch with fresh water after exposure to saltwater. Avoid extreme temperatures and magnetic fields. Have it serviced every few years by a qualified watchmaker to ensure optimal performance.