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9 WARWICK ROAD, KENILWORTH CV8 1HD, United Kingdom
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Seiko

Seiko Prospex ‘Captain Willard’ 1970s Reinterpretation Automatic Divers 8L35 Movement

SLA051J1

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  • Product Description
    Product Specifications

    This 1970 Diver’s modern reinterpretation timepiece commemorates the 80th birthday of Japanese explorer Naomi Uemura, the first man in the world to climb the highest peaks of each five continents – wearing a Seiko diving watch.

    Prospex is a combination of the words 'Professional' and 'Specifications.'
    Seiko Prospex timepieces are designed to be practical, reliable and durable; to meet the high standards required in extreme environments for sports lovers and adventure seekers alike.

    The dial pattern is based on the mountainous surfaces that Naomi would have seen on his numerous treacherous climbs and subsequent dog sledge alpine missions. The crown at 4 o’clock position for comfort and practicality is protected by the wide flowing case design around it, creating its signature look. The design was named ‘Captain Willard’ by fans for Martin Sheen’s character who wore it in the ‘Apocalypse Now’ movie.

    Since launching Japan’s first diver’s watch in 1965, Seiko’s innovative watchmaking has changed global dive watch standards.

    Model Specification: SLA051J1

    • The super-hard coated stainless steel case measures 44 mm in diameter. A three-fold clasp with a lock secures the stainless steel bracelet
    • curved anti-reflective sapphire crystal the distinct grey dial. The black bezel is unidirectional.
    • The hands and hour-markers are luminescent
    • Water-resistant to 200 metres or 20 bars
    • Features on the model include a screw-down crown, a date display and a stop-seconds hand function
    • Movement type - Automatic with a power reserve of up to 50 hours. The watch is accurate up to +15 to -10 seconds per day
    • Calibre - 8L35
    As an authorised dealer of Seiko all our products are complete with:
    • Seiko 3 Year Guarantee
      fully stamped (where appropriate)
    • Instruction manual
      Please note some brands use online manuals
    • Official Packaging
      Official Seiko packaging
    Please note: Outside of the UK, the duration of the manufacturer's guarantee may be different and therefore you may need to return your watch to First Class Watches in order to get the full guarantee.
    Protected by Copyscape Online Plagiarism Test
    Product Specifications
    • Gender
      Men's Watches
    • Movement & Power
      Automatic Mechanical
    • Movement Calibre
      8L35
    • Mechanical Power Reserve
      up to 50 hours
    • Clearance
      Sale Items
    • Features
      Date Display, Glowing Hands, Glowing Markers, Sapphire Glass, Scratch Resistant
    • Strap Material
      Stainless Steel
    • Case Material
      Stainless Steel
    • Case Shape
      Circle
    • Display Type
      Analog
    • Dial Colour
      Grey
    • Strap Colour
      Silver
    • Case Width
      44 mm
    • Case Depth
      13 mm
    • Crown Type
      Screw Down
    • Hour Markers
      Batons
    • Water Resistance
      200 metres
  • Delivery & Returns
    Free delivery is available on all UK orders -
    For items listed as in stock, your order should be completed before 4:00pm (Monday-Friday) for us to despatch the same day or before 11:30am on Saturday for delivery Monday. Please note that all orders must pass our security policy before they are despatched and we must be able to take payment successfully, if this is not possible we will email or send an SMS with further instructions. For queries and delivery questions please feel free to call us on +441926 298499 (English only).
    For other items, a delivery estimate will be shown where possible. If we feel we are unable to adhere to the timescale after you place your order we will contact you to make you aware and allow you to change your order if necessary. Items will be sent by your chosen delivery method once they are back in stock and payment will not be taken until the items are despatched (NB. PayPal and Amazon orders are charged immediately).
    Returns Policy

    We aim for you to be absolutely delighted with your purchase and therefore offer you 30 days to change your mind on your purchase (excludes pre-owned watches). You may do this by using the form provided with your order or otherwise. We will provide a refund of all payment received (not including delivery upgrades), usually within 48 hours of receipt of the product. This will be made to the original payment method. For most payment methods it will take 3-5 working days for this to show on your statement.

    Please ensure items from your order are suitable before wearing as we are unable to accept items which have been worn under our returns policy.

    For UK orders under £500, you may generate a free tracked and insured returns label on the Royal Mail website (opens in a new window). You can print this label and send it back at any local Post Office at no cost to yourself. It is also possible to have the label printed at Post Office using the QR code from the confirmation email. Please retain the proof of postage receipt. Unfortunately we are unable to provide a refund of return postage for returns through other methods, so we recommend printing the free postage label provided. For orders over £500, please consult your receipt for details on how to return. For international returns, you will need to bear the cost of returns postage. Please ensure the watch is returned to us in an unworn, new condition with all the original packaging (manufacturer's manual and guarantee if applicable). Please ensure items from your order are suitable before wearing as we are unable to accept items which have been worn under our returns policy. We reserve the right to make deductions for unnecessary damage caused to the product by yourself.

    We are also able to offer an exchange to a different product if required, please specify this when returning your product.

    If a fault develops with a watch that is outside of the 30 day returns period or is no longer in a new condition the watch can be returned to the manufacturer under the terms of the guarantee (we are an official UK dealer for all brands on our website) so that they can rectify any issues. For more information please see our returns policy page.

  • Authorised Retailer
    First Class Watches AUS are Seiko watch retail partners so you can be assured your sparkling new watch will arrive with a stamped manufacturer's warranty, packaging and instructions.
    This item is supplied with:
    • Official Seiko guarantee
      fully stamped (where appropriate)
    • Instruction manual
      Please note some brands use online manuals
    • Official Packaging
      Official Seiko packaging
    Please note: Outside of the UK, the duration of the manufacturer's guarantee may be different and therefore you may need to return your watch to First Class Watches in order to get the full guarantee.
3
Customer Reviews
5 / 5
Average Rating
5 star (Best) (3)
4 star (0)
3 star (0)
2 star (0)
1 star (Worst) (0)
5 Quality
5 Value
5 Ease of use
5 Style
5
Overall Rating
The quality of this watch has to be seen to be believed. The case finishing is on par with the
Most Expensive Watches I have handled. The Zaratsu polish is superb. It is running well within tolerance. This was a bargain and I would happily pay full retail for it

reviewed 31/12/2025

VERIFIED FIRST CLASS CUSTOMER
5 Quality
5 Value
5 Ease of use
5 Style
5
Overall Rating
The best quality finishing and comfort on the wrist of any seiko I have owned.hand assembled in Japan with the 8L35 4Hz movement.more discreet than the Tudor I was looking at buying.many thanks

reviewed 18/12/2025

VERIFIED FIRST CLASS CUSTOMER
5 Quality
5 Value
5 Ease of use
5 Style
5
Overall Rating
Customer picture of Seiko Prospex ‘Captain Willard’ 1970s Reinterpretation Automatic Divers 8L35 Movement SLA051J1 Once again a splendid service from FCW .

The watch is a stunner , I can’t stop looking at it on my wrist .

reviewed 29/07/2021

VERIFIED FIRST CLASS CUSTOMER
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