Seiko 5 Automatic Watch - Black - 38mm

The Seiko 5 Automatic SNKK17J1 (21 Jewels, Japan Made) is a classic everyday mechanical watch from...

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JoomSeiko Men's Black 5 Automatic 21 Jewels Japan Made Snkk17 Snkk17j1 Snkk17j Watch
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Product Information

Full details

This Seiko 5 Automatic SNKK17J1 is designed for individuals seeking a reliable, classic mechanical watch for daily wear. Its primary benefit is the combination of a timeless 38mm black dial design and an accurate Japanese-made automatic movement, offering dependable timekeeping without a battery. A potential caveat for some users might be the 38mm case size, which is smaller than many contemporary watches. Key features include its automatic movement with 21 jewels, day and date display, luminous hands and markers, and a durable stainless steel construction.

All features

ColourBlack
Dial Size38mm
SeriesSeiko 5
Model Part NumberSNKK17J1
BrandSeiko

Extended Product Information

FAQs

Does this watch require a battery?

No, the Seiko 5 Automatic SNKK17J1 is a mechanical watch powered by an automatic movement. It is wound by the motion of your wrist during wear.

How do I set the day and date?

Pull the crown out to the first or second position (refer to your manual) and turn it to set the desired day and date. Be careful not to set the time between 9 PM and 3 AM, as this can affect the automatic change.

Is this watch suitable for swimming?

The water resistance for most Seiko 5 models like this is typically 30 meters, which is suitable for splashes and rain but not for swimming or diving. Always check the specific water resistance rating.

What is the case size?

The case diameter is 38mm, which is considered a medium or smaller size by modern standards, offering a classic and versatile fit.

How accurate is an automatic watch?

Automatic watches typically have an accuracy range of +/- 15 to 30 seconds per day. Variations can depend on the specific movement, wear patterns, and environmental factors.

Does it have a sapphire crystal?

This model features a Hardlex crystal, which is Seiko's proprietary mineral glass. It offers good durability but is generally less scratch-resistant than sapphire crystal.

What is the 'Japan Made' designation?

This indicates that the watch movement and final assembly were completed in Japan, signifying Seiko's commitment to quality and craftsmanship for these specific models.

Troubleshooting

Watch has stopped

Ensure the watch has been wound. Shake it gently or manually wind the crown. If it stops frequently, it may need servicing.

Day/Date not changing correctly

Ensure you are not setting the time between 9 PM and 3 AM, as this can interfere with the automatic day/date change mechanism. Consult the manual for correct setting procedures.

Losing or gaining time significantly

Minor variations (+/- 15-30 seconds per day) are normal for mechanical watches. If accuracy is poor, the watch may require regulation or servicing.

Bracelet uncomfortable or loose

The bracelet can be adjusted by removing or adding links. This is best done by a professional jeweler or watchmaker.

Pros and Cons

Pros

  • Reliable Japanese-made automatic movement
  • Classic and versatile 38mm design
  • Convenient day and date display
  • Good visibility in low light with luminous features
  • Durable stainless steel construction and bracelet

Cons

  • 38mm case size may be small for those preferring larger watches
  • Hardlex crystal is less scratch-resistant than sapphire
  • Typically has lower water resistance (e.g., 30m), not suitable for swimming or diving
  • Automatic watches require periodic servicing for optimal performance

Setup, Compatibility & Care

Setup:

  1. Winding: If the watch has stopped, gently shake it back and forth for about 30 seconds to start the automatic movement. You can also manually wind the crown by unscrewing it (if applicable to the specific model, though many Seiko 5s are pull-out crown) and turning it clockwise about 20-30 times. Once running, normal daily wear will keep it powered.
  2. Setting Time, Day, and Date: Pull the crown out to the appropriate position (usually the first or second click depending on the model) to set the time, day, and date. Consult your specific manual for precise crown operation.

Compatibility:

  • This watch is designed for personal timekeeping and is compatible with standard watch straps and bracelets if you wish to customize its look.

Care:

  • Cleaning: Wipe the case and bracelet with a soft, dry or slightly damp cloth. Avoid harsh chemicals or abrasive cleaners.
  • Water Resistance: While designed for everyday use, avoid prolonged submersion or high-pressure water activities unless the specific model's water resistance rating is confirmed to be higher.
  • Automatic Movement: To maintain accuracy and longevity, consider having the watch serviced by a qualified watchmaker every 3-5 years.

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