Timex Ironman Triathlon Transit 33mm, Gray Dial White Resin
Timex Ironman Triathlon Transit, Gray Dial
The Timex Ironman Transit TW5M478009J is a 33mm women's digital sport watch featuring a resin case, acrylic lens, and 100m water resistance.
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Price history
About this item
- Adjustable white 12mm resin strap fits up to 7.5-inch wrist circumference
- 100-hour chronograph with 10-lap memory; 24-hour countdown timer
- Customizable alarm; 24-hour military time mode; 2 time zones; day, date & month calendar
- White & chrome 33mm resin case; acrylic lens; gray digital display; Indiglo light-up watch dial
- Water-resistant to 100m (330 ft): In general, suitable for snorkeling, as well as swimming, but not diving
Top Highlights
- Brand
- Timex
- Model Number
- TW5M478009J
- Department
- Women
- Item Type
- Sport Watch
- Manufacturer
- Timex
- First Available
- June 14, 2021
- Release Year
- 2021
Features & Specs
- Display
- Digital
- Movement Type
- Quartz
- Power Source
- Battery powered
- Additional Features
- Alarm, Chronograph
- Complications
- Alarm, Chronograph
- Battery
- Battery powered
- Strap Type
- Adjustable, Two Piece Strap
- Case Material
- Resin
- Case Size
- 33.0 mm
- Case Thickness
- 12.0 mm
- Lug Width
- 12.0 mm
- Weight
- 27.22 g
- Water Resistance
- 50 m
- Sport Type
- Running
- Strap
- Resin
- Clasp
- Buckle
- Closure Type
- Buckle
- Embellishment
- Crystal
- Crystal
- Acrylic
- Dimensions
- 1.57 x 3.94 x 2.36 inches; 0.96 ounces
Style
- Style Name
- Sport
- Dial Shape
- Square
- Dial Color
- Gray
- Band Color
- White
- Face Style
- Sleek
- Collection
- Ironman
Description
The Timex Ironman Transit TW5M478009J is a robust digital sport watch designed for active women. This 33mm timepiece features a durable resin case and an acrylic lens, making it suitable for various athletic pursuits.
Powered by a reliable quartz movement, it offers essential functionalities such as a 100-hour chronograph with 10-lap memory, a 24-hour countdown timer, and a customizable alarm. Its gray digital display is complemented by an Indiglo light-up dial, ensuring readability in low-light conditions.
With a water resistance of 100 meters, the Ironman Transit is well-suited for swimming and snorkeling, providing versatility for daily wear and light water activities. The comfortable white resin strap, secured with a buckle, fits wrists up to 7.5 inches, offering a secure and adjustable fit for an active lifestyle. This model combines practical features with a sporty aesthetic, making it a dependable companion for fitness enthusiasts.
Frequently Asked Questions
Is the Timex Ironman Transit TW5M478009J suitable for daily swimming and showering?
The Timex Ironman Transit TW5M478009J has a water resistance of 100 meters, making it suitable for swimming and snorkeling. However, it is generally recommended to avoid wearing it in the shower, as hot water and soap can compromise the seals over time.
What are the main differences between this model and other Timex digital watches in a similar price range?
The Ironman Transit TW5M478009J stands out with its specific Ironman collection features, including a 100-hour chronograph with 10-lap memory and a 24-hour countdown timer, tailored for athletic performance. Other Timex digital watches might offer different feature sets or aesthetic designs.
How long does the battery typically last in this quartz watch?
The battery life for the Timex Ironman Transit TW5M478009J, like most quartz watches, typically lasts several years, often between 2 to 5 years, depending on usage of features like the Indiglo light and alarm.
Is the resin strap adjustable for different wrist sizes?
Yes, the white resin strap on the Timex Ironman Transit TW5M478009J is adjustable and designed to fit wrist circumferences up to 7.5 inches, providing a comfortable and secure fit for most women's wrists.
Who is this watch most suitable for?
This watch is most suitable for active women who need a durable and functional digital timepiece for sports, fitness tracking, or everyday casual wear. Its 100m water resistance and chronograph features cater to an athletic lifestyle.
Can the acrylic lens be easily replaced if it gets scratched?
While an acrylic lens can be polished to remove minor scratches, significant damage might require professional replacement. Its inherent flexibility makes it less prone to shattering than glass, but more susceptible to surface scratches.
Editor's take
The Timex Ironman Transit TW5M478009J positions itself as an accessible and functional digital sport watch for women. Part of the iconic Ironman collection, this timepiece is designed for those who seek reliability and a suite of athletic features without compromising on a compact wrist presence. Its 33mm resin case and white resin strap offer a lightweight and comfortable fit, ideal for daily wear and fitness activities.
At its core, the watch is powered by a precise quartz movement, ensuring accurate timekeeping and robust performance for its digital display. Key functionalities include a 100-hour chronograph with 10-lap memory, a 24-hour countdown timer, and a customizable alarm, all easily managed through its intuitive interface. The Indiglo light-up dial is a practical addition, providing excellent readability in low-light conditions, a hallmark of Timex's commitment to utility.
While the 100-meter water resistance makes it suitable for swimming and snorkeling, it is important to note that the acrylic lens may be more prone to scratches compared to sapphire crystal. This is a common trade-off in this price segment, prioritizing impact resistance over scratch resistance, which might be a consideration for users in demanding environments.
Overall, the Ironman Transit is an excellent choice for active women seeking a dependable and feature-rich digital watch for their fitness routines or casual wear. For those requiring extreme durability or a more premium finish, exploring models with mineral or sapphire glass might be a suitable alternative, though often at a higher price point.
In categories
From the manufacturer

Robust Sport Companion
This Timex sport watch, reference TW5M478009J, is engineered for active lifestyles, offering reliable functionality. Its durable resin case and integrated strap provide resilience against daily wear, ensuring consistent performance in varied conditions.

Compact Water Resistance
The 33.0mm resin case, paired with an acrylic crystal, offers a balanced profile suitable for diverse wrist sizes. With a water resistance rating of 50 meters, this timepiece is suitable for showering or shallow swimming.

Accurate Quartz Movement
Powering this sport watch is a precise quartz movement, known for its reliable timekeeping and minimal maintenance requirements. This mechanism ensures consistent accuracy, a critical attribute for any functional timepiece.

Integrated Design Utility
The cohesive design integrates a robust resin strap with the lightweight case, optimizing comfort and durability for continuous wear. This construction prioritizes practical utility, aligning with the demands of an active user.

Sustainable Strap Composition
Recycled Ocean Plastic Bracelet
Warranty & Support
Manuals & Documents
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