---
product_id: 780535472
title: "Men's Ironman Triathlon Classic 30 38mm Watch"
brand: "timex"
price: "S$95"
currency: SGD
in_stock: true
reviews_count: 13
category: "Timex"
url: https://www.desertcart.sg/products/780535472-mens-ironman-triathlon-classic-30-38mm-watch
store_origin: SG
region: Singapore
---

# INDIGLO backlight for night visibility Water resistant up to 100 meters 100-hour chronograph with 30-lap memory Men's Ironman Triathlon Classic 30 38mm Watch

**Brand:** timex
**Price:** S$95
**Availability:** ✅ In Stock

## Summary

> ⏳ Own every second with Timex Ironman – where endurance meets style.

## Quick Answers

- **What is this?** Men's Ironman Triathlon Classic 30 38mm Watch by timex
- **How much does it cost?** S$95 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sg](https://www.desertcart.sg/products/780535472-mens-ironman-triathlon-classic-30-38mm-watch)

## Best For

- timex enthusiasts

## Why This Product

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

## Key Features

- • **Built to Endure:** Durable 38mm resin case and acrylic lens designed to withstand your busiest, most active days.
- • **Always On Schedule:** Set up to three customizable alarms with dual time zones and 24-hour military mode for ultimate time management.
- • **Race-Ready Precision:** Track your performance with a 100-hour chronograph and 30-lap memory—never miss a beat.
- • **Comfort Meets Function:** Adjustable 18mm resin strap fits wrists up to 8 inches, combining secure fit with all-day comfort.
- • **Clear Visibility Anytime:** Black digital display paired with INDIGLO backlight ensures flawless readability day or night.

## Overview

The Timex Men's Ironman Triathlon Classic 30 is a lightweight, water-resistant sport watch featuring a 100-hour chronograph with 30-lap memory, customizable alarms, and an INDIGLO backlight for clear visibility in any light. Its durable resin case and adjustable strap ensure comfort and resilience, making it the go-to timepiece for athletes and professionals who demand precision and reliability.

## Description

The undisputed favorite in sport watches, crosses nearly every finish line in the world. Built to be lightweight and sealed for water resistance, the iconic five-button design gives you direct access to all timers, alarms and of course our Indiglo night-light.

Review: The Perfect Watch - I love this watch! The band is a little stiff, but I'm guessing it will loosen up over time. I bought the larger version (oversized) back in 2014 and wore it as my daily driver until the bezel finally wore off. I still works great, but looks like hell. When I first tried finding a replacement for my old Ironman I bought the T5E901 and returned it as soon as I opened the box because it looked comically small next to my old watch. Timex is really pushing that particular style right now, but I noticed this specific watch in a YouTube video that piqued my interest. This watch (T5K821) is actually sized in-between the "oversized" T5K412 and "full sized" T5E901 and unlike the T5E901 which has 16mm lugs, this watch has 18mm lugs and is 41mm wide between the buttons. I say all that to say this is a man's watch and the T5E901 is better suited for women and children in my opinion. Ironically all 3 sizes have the same module inside, same size display, etc. This watch also accepts standard 18mm bands. I've looked at every digital watch on desertcart, and there isn't a more user friendly watch than this one. The engineers hit it out of the park with the UI on the Ironman. If you want premium build get Casio, but if you want usability get the Ironman . . . I own both and it's not even close.
Review: Built like a tank—Outlasted every other watch I’ve owned! - The Durability: I’ve been using this watch daily for over a year under pretty rough conditions, and it is the only one that has held up. While the body has some honest scuffs from use, the strap shows no signs of cracking or breaking, which is usually where these watches fail for me. It’s a beast for the price. ​Functionality: ​Tested Waterproofing: I’ve tested the water resistance several times now and haven't had a single issue with fogging or leaks. ​Essential Tools: The timer and stopwatch are incredibly useful for daily tasks, and the time itself has stayed 100% accurate without needing adjustments. ​The Backlight: The light is perfect—not too blinding, but bright enough to check the time in total darkness instantly. ​Design & Comfort: The sizing is spot on. It has a large, easy-to-read display, but it’s designed in a way that doesn't limit my range of motion. I never feel it digging into my wrist when I'm working with my hands. ​Final Verdict: 5 Stars. If you’re tired of "disposable" watches that break within six months, get this one. It’s durable, reliable, and comfortable enough to forget you’re wearing it until you need it.

## Features

- Negative Display Build: A 38mm gray and black resin case with a black digital display pairs with an adjustable 18mm strap
- Serious Performance: A 100-hour chronograph with 30-lap memory and a 24-hour countdown timer support training days, while three customizable alarms keep you on schedule
- Stay on Schedule: Two time zones and a full day, date and month calendar keep every plan on track wherever the day takes you
- Night-Ready Visibility: An acrylic lens and INDIGLO backlight keep the digital display easy to read after dark, day or night
- Built to Last: A Timex watch is designed for durability and everyday reliability; every piece reflects our commitment to quality without compromise

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B079D86TVD |
| Additional Features | Alarm, Chronograph, Light Up, Lightweight, Water Resistant |
| Age Range Description | Adult |
| Band Color | Black |
| Band Length | 8 inches |
| Band Material Type | Resin |
| Band Width | 18 millimeters |
| Bands | 1 |
| Best Sellers Rank | #6,449 in Clothing, Shoes & Jewelry ( See Top 100 in Clothing, Shoes & Jewelry ) #13 in Men's Wrist Watches |
| Bezel Color | Gray |
| Brand Name | Timex |
| Case Diameter | 38 millimeters |
| Case Material Type | Resin |
| Case Thickness | 13 millimeters |
| Character | Fashion |
| Clasp Type | Buckle |
| Closure Type | Buckle |
| Crystal | Acrylic |
| Customer Reviews | 4.5 out of 5 stars 17,602 Reviews |
| Dial Color | Black |
| Display | Digital |
| Embellishment Feature | Crystal |
| Face Style | Crosshair |
| Global Trade Identification Number | 00753048787296 |
| Included Components | Battery, Band |
| Item Highlight | 100-Hour Chronograph with 30-Lap Memory, 24-Hour Countdown Timer, Three Alarms & Two Time Zones, Digital Display with INDIGLO |
| Item Type Name | Sport Watch |
| Item Weight | 1.6 ounces |
| Manufacturer | Timex |
| Manufacturer Part Number | TW5M187009J |
| Material | Resin |
| Model Name | Ironman Classic 30 Full-Size |
| Model Number | TW5M18700 |
| Model Series | Ironman Classic 30 |
| Number of Items | 1 |
| Number of Packs | 1 |
| Pattern | Solid |
| Power Source | Battery Powered |
| Shape | Round |
| Sport Type | Running |
| Strap Type | Adjustable, Two Piece Strap |
| Style Name | Chronograph |
| Theme | Sports |
| UPC | 753048787296 |
| Unit Count | 1 Count |
| Warranty Type | Manufacturer |
| Watch Movement Type | Quartz |
| Water Resistance Depth | 100 meters |
| Water Resistance Level | Water Resistant |

## Images

![Men's Ironman Triathlon Classic 30 38mm Watch - Image 1](https://m.media-amazon.com/images/I/81WjT8iKXAL.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: Does the watch have interval mode ?**
A: I time intervals using the split feature in the chrono mode.

**Q: What kind of battery does it use and how long does it last**
A: Don't know the kind of battery.  Experience in past is it last about 3 years.  I have taken a similar  watch to a jeweler  that sells and services Bolivia watches  and had the battery successfully replaced for around $10.00 and last another 3 years.

**Q: Can two seperate countdowns be placed? For example, can I have it countdown from 40 then countdown from 1:00 and have it repeat in that interval?**
A: Hi there! This watch style only has 1 countdown timer and doesn't have the interval feature with multiple timers . For further enquiries you may call our customer service team at 800-448-4639 or send us an email at custserv@timex.com.

**Q: Can i get replacement bands for model timex men's tw5m24200 digital ironman watch?**
A: The replacement strap is currently out of stock from our website, Timex.com. You can also send the watch in to Timex for a band replacement and let our Repair Facility replace the band for you. 
For further assistance or questions, please let me know or call our customer service center at 800-448-4639.

## Customer Reviews

### ⭐⭐⭐⭐⭐ The Perfect Watch
*by J***Y on September 15, 2026*

I love this watch! The band is a little stiff, but I'm guessing it will loosen up over time. I bought the larger version (oversized) back in 2014 and wore it as my daily driver until the bezel finally wore off. I still works great, but looks like hell. When I first tried finding a replacement for my old Ironman I bought the T5E901 and returned it as soon as I opened the box because it looked comically small next to my old watch. Timex is really pushing that particular style right now, but I noticed this specific watch in a YouTube video that piqued my interest. This watch (T5K821) is actually sized in-between the "oversized" T5K412 and "full sized" T5E901 and unlike the T5E901 which has 16mm lugs, this watch has 18mm lugs and is 41mm wide between the buttons. I say all that to say this is a man's watch and the T5E901 is better suited for women and children in my opinion. Ironically all 3 sizes have the same module inside, same size display, etc. This watch also accepts standard 18mm bands. I've looked at every digital watch on Amazon, and there isn't a more user friendly watch than this one. The engineers hit it out of the park with the UI on the Ironman. If you want premium build get Casio, but if you want usability get the Ironman . . . I own both and it's not even close.

### ⭐⭐⭐⭐⭐ Built like a tank—Outlasted every other watch I’ve owned!
*by N***E on February 10, 2026*

The Durability: I’ve been using this watch daily for over a year under pretty rough conditions, and it is the only one that has held up. While the body has some honest scuffs from use, the strap shows no signs of cracking or breaking, which is usually where these watches fail for me. It’s a beast for the price. ​Functionality: ​Tested Waterproofing: I’ve tested the water resistance several times now and haven't had a single issue with fogging or leaks. ​Essential Tools: The timer and stopwatch are incredibly useful for daily tasks, and the time itself has stayed 100% accurate without needing adjustments. ​The Backlight: The light is perfect—not too blinding, but bright enough to check the time in total darkness instantly. ​Design & Comfort: The sizing is spot on. It has a large, easy-to-read display, but it’s designed in a way that doesn't limit my range of motion. I never feel it digging into my wrist when I'm working with my hands. ​Final Verdict: 5 Stars. If you’re tired of "disposable" watches that break within six months, get this one. It’s durable, reliable, and comfortable enough to forget you’re wearing it until you need it.

### ⭐⭐⭐⭐⭐ USMC Vet with watch tan line
*by T***Z on September 18, 2026*

Love these watches never take them off until the band dry rots 3 years later then throw out and get a new one. Have done everything in them that the military can throw at you and it’ll survive. Deep underwater and intense beatings with a battery life longer than the wrist band will survive so worth it. I keep mine on 24/7/365 and feel naked without it. This one is inverted, numbers blank background black. Hard to see in the sun at times

## Frequently Bought Together

- Timex Ironman Men's Classic 42 mm Digital Watch
- Timex Ironman Men's Classic 43 mm Digital Watch
- Timex Ironman Men's Classic 41 mm Digital Watch

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*Product available on Desertcart Singapore*
*Store origin: SG*
*Last updated: 2026-10-12*