








Seiko 5 Automatic Dark Blue Dial Steel Strap Men's Watch SNK357K1
Official UK Authorised Retailer
3 Year Manufacturer Warranty
Free Delivery
30 Day Returns
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The Seiko 5 SNK357K1 is a classic automatic timepiece from Seiko’s iconic 5 series, renowned for reliability and enduring style. Its design is inspired by functional elegance, featuring a deep blue dial and a day-and-date display at 3 o’clock. This model is an accessible yet highly respected automatic watch, appealing to both newcomers and seasoned collectors of mechanical timepieces.
A Trusted Automatic Movement
At the heart of the SNK357K1 is Seiko’s in-house Calibre 7S26 automatic movement. This robust mechanical calibre offers a power reserve of approximately 40 hours and operates without a battery, reflecting Seiko’s legacy of dependable craftsmanship. In addition to displaying the time, the movement drives the day-and-date complication, providing practical functionality for everyday wear.
A Dial of Subtle Sophistication
The watch’s deep blue dial provides a striking yet understated backdrop for silver-tone indices and luminous hands, ensuring clear legibility in varying light conditions. The sunburst finish adds visual depth, while the Hardlex crystal protects the dial against scratches, combining durability with elegance.
Refined Craftsmanship
The polished stainless steel case measures a comfortable 37mm in diameter, making it suitable for a wide range of wrist sizes. A transparent case back reveals the intricate automatic movement within, offering a glimpse into the mechanical precision that powers the watch. The stainless steel bracelet complements the case seamlessly, secured with a fold-over clasp and push-button release for added practicality.
Versatile for Daily Wear
Water resistant to 30m, the Seiko 5 SNK357K1 withstands splashes and light rain, making it ideal for regular use. Its combination of reliable automatic movement, classic design, and day-to-day functionality makes this watch a timeless companion, embodying Seiko’s commitment to quality and value in an accessible mechanical timepiece.
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UK Delivery
| Selling Price | Royal Mail 48 (Tracked) |
Royal Mail 24 (Tracked & Signed) |
Special Delivery Next Day (Mon – Fri) |
Special Sunday Delivery (Before Sat 12pm) |
Royal Mail Special Delivery by 1pm |
|---|---|---|---|---|---|
| £0 to £99.99 | FREE | £4.99 | £7.99 | £7.99 | £9.99 |
| £100 to £499.99 | N/A | FREE | £7.99 | £7.99 | £9.99 |
| £500 or more | N/A | N/A | FREE | £7.99 | £9.99 |
We know your order is important to you, so we use Royal Mail’s tracked delivery service on all UK orders.
We also offer Royal Mail Special Delivery service, which for an additional fee offers guaranteed delivery the next day before 1pm.
*Royal Mail Tracked 24 and Royal Mail Tracked 48 services are 98% accurate but not guaranteed.
Orders placed before 5pm (Monday–Friday) are dispatched the same day. Orders placed on Saturday or Sunday are dispatched the following Monday.
International Shipping & Duties (Delivered At Place – DAP)
We’re pleased to offer worldwide delivery with fully tracked and insured shipping.
How international orders work
All international orders are shipped on DAP (Delivered At Place) terms. This means:
- The price you pay at checkout covers your goods and international shipping only.
- WatchNation does not collect or charge any overseas sales tax, import VAT, or customs tariffs (duties).
- When your order reaches your country, local customs authorities may apply:
- Import VAT (value-added tax),
- Tariffs or customs duties (import taxes based on product category and value), and
- Handling or clearance fees from the courier.
These charges are set by your country’s customs authority and are payable by you before delivery.
You’ll be contacted directly by DHL with a secure link to pay any applicable charges. Once cleared, your parcel will be released and delivered promptly.
Estimated delivery times (after dispatch)
- European Union: approximately 2–5 working days
- Rest of World: approximately 5–7 working days
Customs processing times vary by country and may extend delivery slightly.
If import charges, tariffs, or duties are not paid
If local charges are unpaid or delivery is refused, the shipment will be returned to us. In this case, we will refund your order minus the outbound shipping cost and any return or customs fees billed to us by the carrier.
Estimating import costs
Import VAT and duty rates vary by country. You can check estimated import taxes and tariffs by contacting your local customs authority or using your government’s online import calculator.
More about delivery...

Need help?
Frequently Asked Questions
Yes — we are an Authorised Dealer for every brand we sell. All watches come with an official box, papers, and a full manufacturer’s warranty.
Every watch includes a manufacturer warranty. You’ll find more warranty info listed in the product description.
Orders placed before 5pm (Mon–Fri) are dispatched the same day. Order before 12pm on Sat for same-day dispatch. Free UK delivery is available on all orders, and tracking details are provided once shipped.
Yes — you have 30 days from delivery to return or exchange your item, provided it’s unused and in its original packaging.

