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Seiko S143 Stopwatch

By Seiko
£210.00 £284.62
  • Professional use. Triple display screen.
  • 300 lap/split segmented memory stopwatch.
  • Times up to 10 hours to 1/100th of a second.
By Seiko
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    Free UK Shipping

    On orders over £75

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    Next day delivery available

    Select option at checkout

The Seiko S143 Stopwatch is the ultimate companion for professional timekeepers who demand precision and reliability. Designed with a sleek, triple display screen, it offers unparalleled clarity when tracking up to 300 laps or splits. This feature makes it ideal for coaches, athletes, and event organisers who need instant access to detailed performance metrics. Plus, its compatibility with the Seiko SP12 Printer allows for immediate result printing, ensuring no moment goes unrecorded during critical events.

Built to withstand demanding environments, the Seiko S143 is water resistant, offering peace of mind that your data will remain safe, regardless of weather conditions. This stopwatch expertly times events up to 10 hours with an astounding accuracy of 1/100th of a second, ensuring every fraction of performance is captured. Whether you’re on the side-lines or in the thick of competition, the Seiko S143 Stopwatch delivers professional-grade performance every time.

More Information

  • Professional use stopwatch by Seiko.
  • Triple display screen with 300 lap/split segmented memory.
  • Suitable for use with the Seiko SP12 Printer to print results immediately after they are recorded.
  • Triple display.
  • 300 segmented split/lap memory.
  • Printer port (for use with the Seiko SP12 - sold separately).
  • Times up to 10 hours to 1/100th of a second.

Stopwatch Mode:
Standard timing and split/lap time measurement.
Split/lap timing can be performed using accumulated timing or lap in progress methods.
Measures up to 10 hours in 1/100th increments.

Memory:
300 lap/split times can be stored in memory.
Data can be stored in segments, allowing the user to record multiple events - each with their own split/lap times saved in a block.
Up to 100 data blocks can be stored, with the time and date that timing began automatically recorded to help identify/manage data.
Data can be recalled at any time, even whilst timing is in progress.
Fastest lap time.
Memory capacity indicator, with warning when the capacity exceeds 290.

Adjustable screen contrast.

Time/Calendar Mode:
Displays year, month, day, date, hour, minutes and seconds.
Calendar automatically adjusts for leap years up to the end of year 2048.

Battery life indicator.

Water resistant.

Printing function (optional extra):
The Seiko S143 features a printer port designed for use with the Seiko SP12 Printer.
If connected to the Seiko S143, the SP12 can print results immediately after they're recorded.
Times can continue to be recorded whilst the SP12 is connected/printing.

Click here to find out how to recycle your old electrical items

Item Code Available Memory Price Price Ex. VAT Manufacturer Part Code EAN
IT061170
1 300 Lap £210.00 £175.00 S23569J 4900969803765

Shipping Information

  • Standard Delivery: Starting at £5.95
  • Express Delivery: Starting at £8.95
  • Free Delivery: Available on all orders over £75


Your total delivery charge will be clearly displayed in your shopping basket before you proceed to checkout.
If an item in your basket is not available for immediate dispatch, this will be indicated in the Availability column next to the product. Items marked as In Stock are ready for immediate dispatch.

If you’re ordering larger items or live in areas like the Scottish Highlands or Northern Ireland, your delivery might take a little extra time to reach you.

While we will do our best, next working day delivery isn’t always possible in these cases. 

For further information on our delivery times, please click the below link.
Newitts Delivery Times

Return Information

We accept returns within 28 days of delivery.

Please note: We do not offer product exchanges. For example, if you order the wrong size, you will need to place a new order for the correct size on our website. Simply return the incorrect item to us, and we will process a refund once we receive it.

For more details on our returns policy, please click the link below.
Newitts Returns Policy

Rated
5
from 3 reviews
3
0
0
0
0
Perfect
Athletes timing

Excellent stop watch Have used this model for over 20 years Would not use any other as printer can be used for longer events

Newitts Verified Purchase
Shikoku S143

Best stopwatch on the market!! ??

Newitts Verified Purchase
Positive

Excellent product. I time cycle time trials for which I already have two of these SEIKO stop watches. I have purchased this one as a standby. A bit over the top I suppose but I do know I can rely on SEIKO not to let me down.

Newitts Verified Purchase

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Seiko S143 Stopwatch
Seiko S143 Stopwatch
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