Try It On

Case Diameter 39mm

Case Diameter 39mm

Try It On

Case Diameter 39mm

Wrist Size (in)

Your Wrist Size Circumference (in)

Band Size

The band for this watch can be adjusted to fit comfortably between the following wrist circumferences.

150 - 205mm (5.9 - 8.1in)

Wrap a garment measuring tape snuggly around your wrist just below the wrist bone. Alternatively use a piece of string and then measure the string length with a ruler. The average wrist size for men is 6.5-7.5", and for women is 5.5-6.5".

How to measure your wrist size

The size of a watch depends on the diameter of the dial. Whatever your style is, the choice of a dial is a matter of personal taste.It usually vary between 36 and 42 mm. For a small size, prefer dials smaller than 36 mm. Between 36mm and 42mm, it's a standard size.For larger dial, prefer a size larger than 42 mm.

View The Full Size Guide

Wrist Size (in)

Your Wrist Size Circumference (in)

Band Size

The band for this watch can be adjusted to fit comfortably between the following wrist circumferences.

150 - 205mm (5.9 - 8.1in)

How to measure your wrist size

Wrap a garment measuring tape snuggly around your wrist just below the wrist bone. Alternatively use a piece of string and then measure the string length with a ruler. The average wrist size for men is 6.5-7.5", and for women is 5.5-6.5".

How to measure your wrist size

The size of a watch depends on the diameter of the dial. Whatever your style is, the choice of a dial is a matter of personal taste.It usually vary between 36 and 42 mm. For a small size, prefer dials smaller than 36 mm. Between 36mm and 42mm, it's a standard size.For larger dial, prefer a size larger than 42 mm.

View The Full Size Guide

Delivery & Returns

Free shipping on orders over C$200 excluding Customized and Fan shop orders. Shipping is C$15. Please allow 7 to 10 days for delivery for standard products and 10-15 days for customized and fan shop products. We are not able to ship to PO Boxes. Get your refund faster with easy online returns! Mail your items back with our return label within 30 days.

Timex IRONMAN 8-Lap

39mm Synthetic Strap Watch
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Regular price $115.00
Sale price $115.00 Regular price $115.00
TW5M54300 Timex IRONMAN 8-Lap 39mm Synthetic Strap Watch Primary Image
Timex IRONMAN 8-Lap
39mm Synthetic Strap Watch

Built to Keep Going. Since 1986.

With a lightweight 39mm resin case and 100m of water resistance, our TIMEX IRONMAN® 8-Lap is built to be comfortable on the wrist no matter where your training takes you. An undisputed favorite of runners across the globe, it delivers everything you need right at your fingertips: a chronograph, countdown timer, alarm, and 8-lap memory, all controlled by large, easy-to-press buttons for quick access mid-workout. The glanceable display is easy to read while you’re moving, and the INDIGLO® backlight makes time-telling easy long before sunrise —or after dark.

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Specifications

Product ID

TW5M54300

Quartz Digital Movement

A quartz digital movement uses a battery-powered quartz crystal to keep precise time, displaying it on an easy-to-read digital screen.

Quartz Digital

Tell Time at a Glance

A digital quartz movement uses a battery and a vibrating crystal to keep precise time, displaying it on an easy-to-read digital screen. It’s reliable, accurate, and built for everyday convenience.

Case & Dial

  • Case Diameter 39 mm
  • Case Height 11 mm
  • Watch Weight 31.19 g
  • Case Material PC+GF
  • Case Color Gray
  • Case Finish Beadblasted
  • Dial Color Digital
  • Dial Markings Digital
  • Battery Type CR2016

Resin Strap

The resin strap is molded into a single piece for durability and comfort.

  • Band / Lug Width 19 mm
  • Band Material PU
  • Band Color Black
  • Band Buckle Buckle

Acrylic Crystal

A lightweight plastic polymer with excellent impact resistance and a warm vintage appearance that can be easily polished to remove scuffs.

Acrylic Crystal

Highly impact-resistant

Acrylic lens are a specialised form of plastic akin to Plexiglass and were commonly used in early to mid-20th century watches. It is a softer material that can be more prone to scratches but conversely is very shatter-resistant. Given its softness any scratches though can be buffed out. Acrylic lens are synonymous with vintage-inspired timepieces and thus can be found on our Marlin and Q Timex collections.

Acrylic Crystal

Highly impact-resistant

Mineral Crystal

Enhanced durability

Sapphire Crystal

Scratch-resistant

Features

Try It On

Case Diameter 39mm

Case Diameter 39mm

Try It On

Case Diameter 39mm

Wrist Size (in)

Your Wrist Size Circumference (in)

Band Size

The band for this watch can be adjusted to fit comfortably between the following wrist circumferences.

150 - 205mm (5.9 - 8.1in)

Wrap a garment measuring tape snuggly around your wrist just below the wrist bone. Alternatively use a piece of string and then measure the string length with a ruler. The average wrist size for men is 6.5-7.5", and for women is 5.5-6.5".

How to measure your wrist size

The size of a watch depends on the diameter of the dial. Whatever your style is, the choice of a dial is a matter of personal taste.It usually vary between 36 and 42 mm. For a small size, prefer dials smaller than 36 mm. Between 36mm and 42mm, it's a standard size.For larger dial, prefer a size larger than 42 mm.

View The Full Size Guide

Wrist Size (in)

Your Wrist Size Circumference (in)

Band Size

The band for this watch can be adjusted to fit comfortably between the following wrist circumferences.

150 - 205mm (5.9 - 8.1in)

How to measure your wrist size

Wrap a garment measuring tape snuggly around your wrist just below the wrist bone. Alternatively use a piece of string and then measure the string length with a ruler. The average wrist size for men is 6.5-7.5", and for women is 5.5-6.5".

How to measure your wrist size

The size of a watch depends on the diameter of the dial. Whatever your style is, the choice of a dial is a matter of personal taste.It usually vary between 36 and 42 mm. For a small size, prefer dials smaller than 36 mm. Between 36mm and 42mm, it's a standard size.For larger dial, prefer a size larger than 42 mm.

View The Full Size Guide
  • Our Promise for the Next 170 Years

    Since 1854, no other watchmaker has ever been able to match our ability to put a well-crafted watch on your wrist, while leaving money in your pocket. Every Timex is a testament to our legendary durability and value, and a reminder to make time yours.

    Read more about us
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  • Crafted to Keep Our Planet Ticking

    We are proud pioneers in making timeless watches that are environmentally-friendly, beautifully crafted and can take a licking and keep on ticking.

    Read more about our goals
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Artistic depiction of a hand holding a clock with classical figures and architectural elements on a dark background
Close-up of a leaf with water droplets on its surface