Seiko 5 Sports Field Watch - Black - 39mm
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Product Information
Full details
This Seiko 5 Sports Field Watch is designed for individuals seeking a durable, reliable, and stylish automatic timepiece with a military-inspired aesthetic. Its key benefit lies in its robust construction and dependable automatic movement, offering excellent value. A potential caveat for some users might be the 39mm dial size, which could be perceived as smaller than contemporary trends. This watch features a monochromatic black design, drawing from classic 1960s Seiko 5 Sports models, powered by the Calibre 4R36 automatic movement with a 41-hour power reserve, and offers 10 bar water resistance.
All features
| Dial Size | 39mm |
|---|---|
| Colour | Black |
| Series | 5 Sports |
| Model Part Number | SRPJ09K1 |
| Brand | Seiko |
Extended Product Information
FAQs
Is this watch suitable for swimming?
Yes, with a water resistance rating of 10 bar, this watch is suitable for swimming and light water sports. However, it is recommended to ensure the crown is fully secured before water exposure and to rinse with fresh water after exposure to salt or chlorinated water.
Does this watch require a battery?
No, this is an automatic watch. It is powered by the movement of your wrist. It also has a manual winding capability to maintain its 41-hour power reserve.
What is the 'hacking' second hand feature?
The 'hacking' feature means the second hand stops moving when you pull the crown out to the time-setting position. This allows for precise synchronization of the watch to an exact time.
How long does the power reserve last?
The Calibre 4R36 automatic movement has a power reserve of approximately 41 hours. This means the watch will continue to run for about 41 hours after being fully wound, even if not worn.
What is the warranty period for this watch?
The Seiko 5 Sports Field Watch comes with a 2-year manufacturer's warranty from the date of purchase.
Can I change the watch strap?
Yes, the watch has a standard 20mm lug width, allowing you to easily swap out the original strap for any compatible aftermarket strap to personalize your look.
How do I maintain the accuracy of an automatic watch?
To maintain accuracy, ensure the watch is regularly worn to keep the mainspring wound, or manually wind it every couple of days if worn infrequently. Avoid exposing it to strong magnetic fields or extreme temperatures.
Troubleshooting
Watch has stopped running
Gently shake the watch for 1-2 minutes to wind the mainspring. If the issue persists, manually wind the crown clockwise 30-40 times in the first position. Ensure the watch is worn regularly.
Inaccurate timekeeping
Automatic watches can have a time deviation of +/- a few seconds per day. If the deviation is significant, ensure the watch is fully wound and has not been exposed to strong magnetic fields. For persistent inaccuracy, consult a watchmaker.
Date not changing correctly
Ensure you are not trying to set the date between 9 PM and 3 AM. During this period, the date-changing mechanism is engaged, and manual adjustment can cause damage. Set the time to the correct AM/PM, then adjust the date.
Crown difficult to operate
Ensure the crown is pulled out to the correct position before attempting to set the time or date. If it feels stiff, do not force it. Try gently rotating it while pulling. If resistance continues, it may require servicing.
Pros and Cons
Pros
- Reliable and durable automatic movement (Calibre 4R36)
- Precise time setting capability with hacking seconds hand
- Excellent water resistance for daily activities and swimming
- Classic, versatile military-inspired design
- Good value proposition for an automatic watch
- Understated and timeless aesthetic
Cons
- 39mm dial size may be considered small by some users
- Automatic movement requires periodic wear or winding to maintain power reserve
- Standard Hardlex crystal may be more prone to scratches than sapphire crystal
- Strap width of 20cm may require adjustment for different wrist sizes
Setup, Compatibility & Care
Setup:
- Winding: To start the watch, gently shake it for a minute or two, or manually wind it by turning the crown clockwise while it is in the first position (fully pushed in). Once running, the watch will self-wind through the motion of your wrist.
- Setting Time and Date: Pull the crown out to the second position to set the time. Pull it out to the third position to set the date and day. Ensure you set the time correctly past the 12 o'clock mark to avoid accidentally changing the date.
Compatibility:
- Strap: The watch features a standard 20mm strap width, making it compatible with a wide range of aftermarket watch straps made from materials like leather, nylon, or rubber for customization.
- Movement: The Calibre 4R36 movement is a widely recognized and serviced automatic movement, ensuring availability of parts and expertise for future maintenance.
Care:
- Cleaning: Clean the watch case and bracelet regularly with a soft, damp cloth. Avoid using harsh chemicals or abrasive cleaners. For the strap, follow care instructions specific to its material (e.g., leather conditioners for leather straps).
- Water Resistance: While rated for 10 bar, it is recommended to have the water resistance checked periodically, especially if exposed to salt water or chlorine. Ensure the crown is fully screwed down or pushed in before exposure to water.
- Magnets: Keep the watch away from strong magnetic fields, as they can affect the accuracy of the movement.