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Product Description
Kalos Pace 4: Suguru Osako Edition
■Excerpt from the manufacturer's description
A special model created for those who stand at the starting line every day
A premium model of an ultra-lightweight GPS sports watch featuring an AMOLED display. It supports smarter training.
・It features an aluminum bezel in a special color supervised by Kei Osako.
・With the voice assistant and built-in microphone, you can track workouts, take notes, set reminders, and record voice memos while running.
・With up to 41 hours of GPS operation and 19 days of normal use, you don't have to worry about charging during your workouts.
・The vibrant 1.2-inch 2.5D AMOLED touchscreen display shows every detail clearly in any lighting condition.
・Features a limited-edition special-edition silicone band engraved with Kei Osako’s motto, “Now or Never.”
・We help you achieve your next personal best with advanced tools such as running fitness tracking, race time predictions, a virtual pacer, and personalized marathon training plans.
・Track your step count, recovery status, sleep, HRV, and menstrual cycle to understand how your body responds to your workouts.
■Now or Never
Kei Osako, one of Japan's leading long-distance runners.
He has broken the Japanese record numerous times and finished in 6th place in the marathon at the Tokyo Olympics.
Furthermore, he continues to make his mark on the history of Japanese track and field, having set a Japanese record of 2 hours, 4 minutes, and 55 seconds.
○ NOW OR NEVER Silicone Band
The silicone band, designed for a comfortable fit, is engraved with the phrase “NOW OR NEVER,” which symbolizes Kei Osako’s determination.
This is a special message for all runners who keep taking on new challenges.
■A Presence That Quietly Stands Out
Yellow accent buttons that stand out against the matte gray-green case and silver aluminum bezel.
We have infused our refined focus and unwavering determination into this high-quality design.
○ Ultra-lightweight aluminum
A lightweight design featuring 6000-series aluminum alloy. Built to withstand harsh conditions—including sweat, rain, and salt—it’s the perfect companion for your daily training routine.
○ Design That Reflects One's Will
The yellow action button stands out against the matte gray-green case. This striking accent color symbolizes the focus and decisiveness required at the decisive moments of a race.
■Taking Readability to the Next Level
A 1.2-inch AMOLED touchscreen display with tapered edges.
With its vivid display and excellent visibility, you can instantly check the information you need even while training.
■Take Your Training to the Next Level
From taking advantage of free workouts and training plans to tracking your training trends and analyzing your post-run data, the COROS app supports your daily progress.
• Race Predictions: You can view projected finish times for major race distances based on your current fitness level.
・Personalized Marathon Training Plan
・Virtual Pacer
■Equipped with a built-in microphone
With the built-in microphone, you can set reminders, start workouts, and record voice memos while running.
It also enables smarter operation during training.
*The voice control feature currently supports English and Chinese.
■Recovery and Monitoring Your Physical Condition
You can track recovery time, sleep stages, heart rate variability (HRV), and even your menstrual cycle, allowing you to adjust your workouts based on your body's condition.
■ Dimensions: 43.4 x 43.4 x 11.8 mm
■Weight: 41 g (with silicone band), 33 g (with nylon band)
■Display
・Size: 1.2-inch
・Resolution: 390x390
・Type: Touchscreen, Always-On AMOLED Display
■Material
・Screen Material: Mineral Glass
・Bezel Material: 6000 Series Aluminum Alloy Bezel
・Cover Material: Fiber-Reinforced Polymer
・Strap material: Silicone/Nylon
■Watch Bands
Width: 22mm
・Size (nylon): 135–205 mm
・Size (silicone): 130–215 mm
・Mounting Type: Quick Release
■Design (Buttons)
・Digital Dial
・Back Button
・Action Button
* Accessing Control Center or switching between the data and map screens during an activity
■Connection
・Mobile Phone Connection: Bluetooth
・Accessory Connection: Bluetooth
・Data Transfer: Wi-Fi / COROS App
■Durability
・Water resistance: 5 ATM *Not suitable for diving
・Operating temperature: -20°C to 50°C
・Storage temperature: -20°C to 60°C
■Battery
・Normal Mode: 41 hours / 30 hours (constant on)
・All systems on (GPS, GLONASS, Galileo, Beidou, QZSS): 14 hours + offline music
・High-Precision Mode: 31 hours / 24 hours (always on)
・Dual-frequency on + (GPS, GLONASS, Galileo, Beidou, QZSS): 12 hours + offline music
・Daily Use & Sleep Tracking: 19 days / 6 days (always-on)
・Charging time: Less than 2 hours
■ Internal Memory: 4GB
■Activity Memory: 1,200 hours (estimated based on outdoor activities)
■Satellite Systems: GPS, GLONASS, Galileo, Beidou, QZSS
■GNSS Chipset: Dual-frequency across all systems
■Navigation
・Map Layer: Topographic Map (with street names) *Global map available for download
・Topo: Regional maps available for download
・Features: Checkpoints, Return to Start, Off-Course Alert, Touchscreen, Safety Features
■Sensors
・Built-in microphone that can be used to record training logs, voice commands, and voice pins
・Optical heart rate monitor *May not work over tattoos
・Barometric altimeter
・Accelerometer
・Gyro sensor
・Compass
・Thermometer *Supports body temperature measurement during workouts (when used with compatible accessories)
・Optical Pulse (Oximeter)
■Training Features
・Output Pace *This is a personalized metric that reflects your effort while running.
・EvoLab (Recovery, Fatigue, Training Load, Race Prediction, VO2max, Threshold Zones, and Other Metrics)
・Workout Alerts (cadence, distance, pace, heart rate, power, and other metrics)
・Interval Training: Basics and Advanced Techniques
・Scheduled Workouts
・Training Plan
・Running Level
・Resting heart rate
・Heart rate monitoring underwater
・Action Camera Control (Compatible with GoPro, DJI, and select Insta360 models)
・Virtual Pacer
・Virtual Run
・Running Form Test *Requires a COROS or POD 2 to be worn
・Altitude Mode * Monitoring blood oxygen saturation (SpO2) and assessing physical fitness at high altitudes
・Touch scrolling *Swipe to scroll through data pages during a workout
・Mobile View
■ Everyday Features
・Stress
・Health Snapshot
・Messages/Call Notifications *Basic functions during training
・Sleep *REM tracking*
・Alarm
・Timer
・Stopwatch
・Daily Alerts (Calories Burned, Exercise Time, Storms, and Other Alerts)
・Firmware can be updated (via Wi-Fi and the COROS app)
・Find my cell phone
・Look for a watch
・Always-on
・HRV metric
・Music *You can listen to music offline using a Bluetooth-compatible headset*
■Supported Apps
Nike Run Club, Komoot, TrainingPeaks, Strava, Relive, adidas Running, Apple Health, Stryd, Final Surge, Runalyze, Running Quotient, Decathlon
■System Language
English, Simplified Chinese, Traditional Chinese, German, Spanish, French, Polish, Thai, Japanese, Korean, Portuguese, Italian, Russian, Vietnamese
*A USB-C charging cable is not included.
COROS performance varies depending on usage of various features, such as music, backlighting, and navigation. Because COROS devices use lithium-ion batteries, performance may decline over time due to usage patterns, temperature, and aging. Battery life and charge cycles vary depending on usage and settings.
*Please note that since we are using manufacturer images, the actual product may differ slightly in terms of specifications (such as logo placement, color, and pattern placement).
■Excerpt from the manufacturer's description
A special model created for those who stand at the starting line every day
A premium model of an ultra-lightweight GPS sports watch featuring an AMOLED display. It supports smarter training.
・It features an aluminum bezel in a special color supervised by Kei Osako.
・With the voice assistant and built-in microphone, you can track workouts, take notes, set reminders, and record voice memos while running.
・With up to 41 hours of GPS operation and 19 days of normal use, you don't have to worry about charging during your workouts.
・The vibrant 1.2-inch 2.5D AMOLED touchscreen display shows every detail clearly in any lighting condition.
・Features a limited-edition special-edition silicone band engraved with Kei Osako’s motto, “Now or Never.”
・We help you achieve your next personal best with advanced tools such as running fitness tracking, race time predictions, a virtual pacer, and personalized marathon training plans.
・Track your step count, recovery status, sleep, HRV, and menstrual cycle to understand how your body responds to your workouts.
■Now or Never
Kei Osako, one of Japan's leading long-distance runners.
He has broken the Japanese record numerous times and finished in 6th place in the marathon at the Tokyo Olympics.
Furthermore, he continues to make his mark on the history of Japanese track and field, having set a Japanese record of 2 hours, 4 minutes, and 55 seconds.
○ NOW OR NEVER Silicone Band
The silicone band, designed for a comfortable fit, is engraved with the phrase “NOW OR NEVER,” which symbolizes Kei Osako’s determination.
This is a special message for all runners who keep taking on new challenges.
■A Presence That Quietly Stands Out
Yellow accent buttons that stand out against the matte gray-green case and silver aluminum bezel.
We have infused our refined focus and unwavering determination into this high-quality design.
○ Ultra-lightweight aluminum
A lightweight design featuring 6000-series aluminum alloy. Built to withstand harsh conditions—including sweat, rain, and salt—it’s the perfect companion for your daily training routine.
○ Design That Reflects One's Will
The yellow action button stands out against the matte gray-green case. This striking accent color symbolizes the focus and decisiveness required at the decisive moments of a race.
■Taking Readability to the Next Level
A 1.2-inch AMOLED touchscreen display with tapered edges.
With its vivid display and excellent visibility, you can instantly check the information you need even while training.
■Take Your Training to the Next Level
From taking advantage of free workouts and training plans to tracking your training trends and analyzing your post-run data, the COROS app supports your daily progress.
• Race Predictions: You can view projected finish times for major race distances based on your current fitness level.
・Personalized Marathon Training Plan
・Virtual Pacer
■Equipped with a built-in microphone
With the built-in microphone, you can set reminders, start workouts, and record voice memos while running.
It also enables smarter operation during training.
*The voice control feature currently supports English and Chinese.
■Recovery and Monitoring Your Physical Condition
You can track recovery time, sleep stages, heart rate variability (HRV), and even your menstrual cycle, allowing you to adjust your workouts based on your body's condition.
■ Dimensions: 43.4 x 43.4 x 11.8 mm
■Weight: 41 g (with silicone band), 33 g (with nylon band)
■Display
・Size: 1.2-inch
・Resolution: 390x390
・Type: Touchscreen, Always-On AMOLED Display
■Material
・Screen Material: Mineral Glass
・Bezel Material: 6000 Series Aluminum Alloy Bezel
・Cover Material: Fiber-Reinforced Polymer
・Strap material: Silicone/Nylon
■Watch Bands
Width: 22mm
・Size (nylon): 135–205 mm
・Size (silicone): 130–215 mm
・Mounting Type: Quick Release
■Design (Buttons)
・Digital Dial
・Back Button
・Action Button
* Accessing Control Center or switching between the data and map screens during an activity
■Connection
・Mobile Phone Connection: Bluetooth
・Accessory Connection: Bluetooth
・Data Transfer: Wi-Fi / COROS App
■Durability
・Water resistance: 5 ATM *Not suitable for diving
・Operating temperature: -20°C to 50°C
・Storage temperature: -20°C to 60°C
■Battery
・Normal Mode: 41 hours / 30 hours (constant on)
・All systems on (GPS, GLONASS, Galileo, Beidou, QZSS): 14 hours + offline music
・High-Precision Mode: 31 hours / 24 hours (always on)
・Dual-frequency on + (GPS, GLONASS, Galileo, Beidou, QZSS): 12 hours + offline music
・Daily Use & Sleep Tracking: 19 days / 6 days (always-on)
・Charging time: Less than 2 hours
■ Internal Memory: 4GB
■Activity Memory: 1,200 hours (estimated based on outdoor activities)
■Satellite Systems: GPS, GLONASS, Galileo, Beidou, QZSS
■GNSS Chipset: Dual-frequency across all systems
■Navigation
・Map Layer: Topographic Map (with street names) *Global map available for download
・Topo: Regional maps available for download
・Features: Checkpoints, Return to Start, Off-Course Alert, Touchscreen, Safety Features
■Sensors
・Built-in microphone that can be used to record training logs, voice commands, and voice pins
・Optical heart rate monitor *May not work over tattoos
・Barometric altimeter
・Accelerometer
・Gyro sensor
・Compass
・Thermometer *Supports body temperature measurement during workouts (when used with compatible accessories)
・Optical Pulse (Oximeter)
■Training Features
・Output Pace *This is a personalized metric that reflects your effort while running.
・EvoLab (Recovery, Fatigue, Training Load, Race Prediction, VO2max, Threshold Zones, and Other Metrics)
・Workout Alerts (cadence, distance, pace, heart rate, power, and other metrics)
・Interval Training: Basics and Advanced Techniques
・Scheduled Workouts
・Training Plan
・Running Level
・Resting heart rate
・Heart rate monitoring underwater
・Action Camera Control (Compatible with GoPro, DJI, and select Insta360 models)
・Virtual Pacer
・Virtual Run
・Running Form Test *Requires a COROS or POD 2 to be worn
・Altitude Mode * Monitoring blood oxygen saturation (SpO2) and assessing physical fitness at high altitudes
・Touch scrolling *Swipe to scroll through data pages during a workout
・Mobile View
■ Everyday Features
・Stress
・Health Snapshot
・Messages/Call Notifications *Basic functions during training
・Sleep *REM tracking*
・Alarm
・Timer
・Stopwatch
・Daily Alerts (Calories Burned, Exercise Time, Storms, and Other Alerts)
・Firmware can be updated (via Wi-Fi and the COROS app)
・Find my cell phone
・Look for a watch
・Always-on
・HRV metric
・Music *You can listen to music offline using a Bluetooth-compatible headset*
■Supported Apps
Nike Run Club, Komoot, TrainingPeaks, Strava, Relive, adidas Running, Apple Health, Stryd, Final Surge, Runalyze, Running Quotient, Decathlon
■System Language
English, Simplified Chinese, Traditional Chinese, German, Spanish, French, Polish, Thai, Japanese, Korean, Portuguese, Italian, Russian, Vietnamese
*A USB-C charging cable is not included.
COROS performance varies depending on usage of various features, such as music, backlighting, and navigation. Because COROS devices use lithium-ion batteries, performance may decline over time due to usage patterns, temperature, and aging. Battery life and charge cycles vary depending on usage and settings.
*Please note that since we are using manufacturer images, the actual product may differ slightly in terms of specifications (such as logo placement, color, and pattern placement).
Available Payment Methods
Credit Card Payment
Convenience Store Payment
Digital Wallets and QR Code Payments
Bank Transfer
Japan Post Bank
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Please place your order after understanding and agreeing to the following points.
・Depending on the device or environment you are using, the color and texture of the product may appear slightly different.
・There may be slight variations in the dimensions listed in the product description.
・Minor scratches or scuffs may occur during the manufacturing process.
・Depending on the material of the product, there may be variations in color, texture, or pattern from item to item.
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*Please note that inventory for this item is shared across our physical stores and other shopping sites operated by our company. We check inventory after receiving your order, so there is a possibility that the item may be out of stock. In such cases, we apologize for the inconvenience and will notify you via email. Thank you for your understanding.