---
product_id: 5597157
title: "Ultrak Seiko 300 Lap Memory Timer"
brand: "ultrak"
price: "£248.88"
currency: GBP
in_stock: true
category: "Ultrak"
url: https://www.desertcart.co.uk/products/5597157-ultrak-seiko-300-lap-memory-timer
store_origin: GB
region: United Kingdom
---

# 1/100 second precision timing 10-bar water resistance 300 lap memory capacity Ultrak Seiko 300 Lap Memory Timer

**Brand:** ultrak
**Price:** £248.88
**Availability:** ✅ In Stock

## Summary

> ⏱️ Own Every Second, Dominate Every Lap!

## Quick Answers

- **What is this?** Ultrak Seiko 300 Lap Memory Timer by ultrak
- **How much does it cost?** £248.88 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/5597157-ultrak-seiko-300-lap-memory-timer)

## Best For

- ultrak enthusiasts

## Why This Product

- Trusted ultrak brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Rugged & Ready:** 10-bar water resistance and durable metal/plastic build ensure this timer withstands intense training sessions.
- • **Stroke Rate Tracking:** Built-in strokes per minute measurement ideal for swimmers and rowers aiming to optimize technique.
- • **Dual Mode Flexibility:** Switch seamlessly between single memory and block memory modes to tailor your timing needs by event.
- • **Precision That Counts:** Measure up to 10 hours with ultra-precise 1/100 second resolution—never miss a beat in your performance.
- • **Unmatched Memory Power:** Store and recall up to 300 split/lap times effortlessly, perfect for tracking every critical moment.

## Overview

The Ultrak Seiko 300 Lap Memory Timer is a professional-grade stopwatch designed for coaches and athletes who demand precision and versatility. Featuring dual memory modes, it stores up to 300 split/lap times with 1/100 second accuracy over a 10-hour span. Its stroke rate measurement and 10-bar water resistance make it ideal for swimming and rowing, while a durable build and battery life indicator ensure reliability during intense training.

## Description

Swim Coaches # 1 Choice! Dual Memory mode- Single Memory mode for up to 300 split or lap times, Block memory mode- Multiple event memory with up to 100 blocks of data can be stored. Large three row display, measures 10 hours with 1/100th second resolution. Memory recall during operation, memory overflow warning, measures strokes for swimming, battery life indicator 10-bar water resistant.

## Features

- Dual memory mode (single memory function or block memory function)
- Measurable up to 10 hours in 1/100 of a second; split/lap time measurement
- Store and recall of up to 300 split/lap times; memory segregated by event
- Measures strokes per minute for events such as swimming and rowing
- Time and automatic calendar; battery life indicator; 10-bar water resistant

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B006CEM3LC |
| Best Sellers Rank | #1,745,630 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #890 in Coach & Referee Scoreboards & Timers #1,098 in Track & Field Lap Counters |
| Brand | Ultrak |
| Brand Name | Ultrak |
| Global Trade Identification Number | 04954628055828 |
| Item Weight | 0.55 Pounds |
| Manufacturer | Ultrak |
| Manufacturer Part Number | S141 |
| Material | Metal or Durable Plastic |
| Material Type | Metal or Durable Plastic |
| Model Number | S141 |
| Number of settings | 2 |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** Ultrak
- **Global Trade Identification Number:** 04954628055828
- **Item Weight:** 0.55 Pounds
- **Material:** Metal or Durable Plastic
- **Number of settings:** 2

## Images

![Ultrak Seiko 300 Lap Memory Timer - Image 1](https://m.media-amazon.com/images/I/61TdZibnUzL.jpg)

## Frequently Bought Together

- Ultrak Seiko 300 Lap Memory Timer
- Digital Stopwatch Timer with Back Light Stop Watch 0.001second Timing|100 Lap Memory,Large dispaly Alarm Clock for Coach Sports Swimming Running Marathon Competition(100LAP(Back Light))
- Ultrak 496 500 Lap Memory Timer

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**Shop now:** [https://www.desertcart.co.uk/products/5597157-ultrak-seiko-300-lap-memory-timer](https://www.desertcart.co.uk/products/5597157-ultrak-seiko-300-lap-memory-timer)

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*Product available on Desertcart United Kingdom*
*Store origin: GB*
*Last updated: 2026-07-02*