Seiko SPB321J1 Prospex Sea Men's Automatic • Sapphire Crystal • 200 m Water-Resistant
Seiko SPB321J1 Prospex Sea Men's Automatic • Sapphire Crystal • 200 m Water-Resistant
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Model Number: SPB321J1
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Product Details
Description
The Seiko SPB321J1 is a premium men's dive watch from the renowned Prospex Sea collection, combining robust engineering with a striking blue dial. The automatic calibre 6R35 delivers precise and reliable timekeeping – entirely without a battery. The ceramic and stainless steel case with a diameter of 45 mm commands an impressive presence on the wrist while being excellently suited for use underwater.
With a water resistance of 200 m (20 ATM), the Seiko SPB321J1 meets the demands of professional divers. The scratch-resistant sapphire crystal reliably protects the vivid blue dial from damage. A stainless steel bracelet with a stainless steel clasp completes the sporty yet elegant look of this exceptional dive watch.
Key Features of the Seiko SPB321J1
- Automatic calibre 6R35, mechanical movement without a battery for precise, reliable timekeeping
- Sapphire crystal, maximum scratch resistance to permanently protect the striking blue dial
- 200 m water resistance, professional dive capability for the most demanding underwater applications
Technical Data
Basic data
| Target group |
Men |
|---|---|
| Manufacturer | Seiko |
| Model series / Collection |
Prospex Sea |
| Model number |
SPB321J1 |
| EAN / GTIN | 4954628247292 |
| Display type |
Analog |
| Water resistance in bar |
20 |
| Colour |
Silver |
Case & Construction
| Case material |
Stainless steel |
|---|---|
| Case colour |
Silver |
| Case diameter in mm |
4,5 |
| Case shape |
Round |
| Watch glass |
Sapphire crystal |
Dial & Display
| Dial colour |
Blue |
|---|
Movement & Drive
| Drive type / Movement |
Automatic |
|---|---|
| Calibre / Movement |
6R35 |
| Date display |
Yes |
Strap & Clasp
| Strap material |
Stainless steel |
|---|---|
| Strap colour |
Silver |
Care instructions
Care Instructions for Wristwatches
Care & Cleaning
- Daily: Wipe case and bracelet with a soft, dry cloth to remove dirt and perspiration.
- Water-resistant watches: Clean with mild soapy water and a soft brush, rinse, dry thoroughly.
Important: Screw the crown down firmly beforehand!!! - Not water-resistant: Clean only dry or slightly damp, do not use water or cleaning agents.
- Avoid: Harsh chemicals, perfume, cosmetics and heat.
- Leather straps: Do not soak, clean only slightly damp and allow to dry away from heat.
- Water resistance: Do not wear in the shower or bath, have it tested annually.
- Battery (quartz): Have a depleted battery replaced immediately.
- Mechanical watches: Service by a master watchmaker every 5 years.
Storage & Handling
- Store the watch separately, not in direct contact with other jewellery (risk of scratching).
- Place mechanical watches on a flat surface when winding, do not leave the crown pulled out.
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Product questions
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Seiko – Japanese Watchmaking for Generations
Seiko looks back on a long tradition of Japanese watchmaking and has significantly shaped the development of modern wristwatches. Precision and technical expertise have always been at the core.
Today, Seiko combines innovation, quality, and timeless design. Seiko wristwatches impress with reliable movements, high-quality materials, and a wide range of styles.
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