Try It On
Case Diameter 33mm
Case Diameter 33mm
Try It On
Case Diameter 33mm
Wrist Size (in)
Band Size
The band for this watch can be adjusted to fit comfortably between the following wrist circumferences.
135 - 190mm (5.3 - 7.5in)
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 choose the right case size
Case diameter determines the watch size: it’s the width of the watch case, excluding the crown. Small wrists (<6") suit 28–36mm, average (6–7") fit 36–42mm, and larger wrists (7"+) can wear 42mm+. Smaller cases can feel refined or vintage-inspired, while larger ones make a bold, modern statement.
Wrist Size (in)
Band Size
The band for this watch can be adjusted to fit comfortably between the following wrist circumferences.
135 - 190mm (5.3 - 7.5in)
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 choose the right case size
Case diameter determines the watch size: it’s the width of the watch case, excluding the crown. Small wrists (<6") suit 28–36mm, average (6–7") fit 36–42mm, and larger wrists (7"+) can wear 42mm+. Smaller cases can feel refined or vintage-inspired, while larger ones make a bold, modern statement.
Delivery & Returns
Free Standard Shipping on most orders. Fan Shop orders do not qualify for free shipping. Buy two straps get free Standard Shipping. Get your refund faster with easy online returns! Mail your items back with our return label within 30 days.
Timex Ironman HeartFIT™ Transit+
Durable Resin Strap
INDIGLO® Light-Up Watch Dial
Customizable Alarm
Sports Stopwatch with 10 Lap Memory
Activity Tracking
Reach your goals
Our TIMEX® IRONMAN® Transit+ activity tracker and easy-touch heart rate monitor is as powerful as you are. It’s practical and sleek with a silver-tone case and black resin strap. It’s also packed with timers, a sports stopwatch, customizable alarm, INDIGLO® backlight and is water resistant up to 50 meters.Specifications
Product ID
TW5M40500
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 33 mm
- Case Height 11 mm
- Case Material Resin
- Case Color Black
- Case Finish Matte
- Dial Color Digital
- Dial Markings Digital
- Battery Type CR2032
Durable Resin Strap
This resin strap is molded into a single piece for durability and comfort.
- Band / Lug Width 12 mm
- Band Material Resin
- 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
Water Resistant to 50 Meters
This watch is suitable for light swimming. It is not suitable for snorkelling, or poolside diving. To maintain water resistance, do not press any buttons while underwater.
50m
Water Resistance
This watch is suitable for light swimming. It is not suitable for snorkelling, or poolside diving. To maintain water resistance, do not press any buttons while underwater.
30m
Light rain, sweat & splashes.
50m
Short swims.
100m
Swimming, snorkeling & surfing.
200m
Recreational scuba-diving.
INDIGLO® Light-Up Watch Dial
Developed by Timex in the early 90s, our INDIGLO® backlight allows you to tell the time in the dark with the push of a button.
Customizable Alarm
Personalize your wake-up call with a customizable alarm feature, tailored to your unique preferences.
Sports Stopwatch with 10 Lap Memory
With a 10-lap memory, this watch tracks your lap times. Perfect for training and helping you beat your personal record.
Activity Tracking
This watch is built with a pedometer that monitors and records your step count.
Try It On
Case Diameter 33mm
Case Diameter 33mm
Try It On
Case Diameter 33mm
Wrist Size (in)
Band Size
The band for this watch can be adjusted to fit comfortably between the following wrist circumferences.
135 - 190mm (5.3 - 7.5in)
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 choose the right case size
Case diameter determines the watch size: it’s the width of the watch case, excluding the crown. Small wrists (<6") suit 28–36mm, average (6–7") fit 36–42mm, and larger wrists (7"+) can wear 42mm+. Smaller cases can feel refined or vintage-inspired, while larger ones make a bold, modern statement.
Wrist Size (in)
Band Size
The band for this watch can be adjusted to fit comfortably between the following wrist circumferences.
135 - 190mm (5.3 - 7.5in)
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 choose the right case size
Case diameter determines the watch size: it’s the width of the watch case, excluding the crown. Small wrists (<6") suit 28–36mm, average (6–7") fit 36–42mm, and larger wrists (7"+) can wear 42mm+. Smaller cases can feel refined or vintage-inspired, while larger ones make a bold, modern statement.
