Module No. 5635



±15 seconds per month average when time adjustment by communication with a phone is not possible.

Basic Functions:


Hour, minute (moves every 10 seconds), second


Hour, minute, second, month, day, day of the week

p.m. (P), 24-hour timekeeping

Full Auto Calendar (2000 to 2099)

Digital Compass:

Measurement range: 0° to 359°

Measurement Units: LCD: 1°, Analog: 6°

Continuous Bearing Measurement (1 minute)

North Indication Hand

Bearing calibration (2-point calibration, figure 8 calibration, magnetic declination calibration)

Auto bearing calibration

Altimeter (relative altitude):

Measuring range: -700 to 10,000 m (or -2,300 to 32,800 ft.)

Display range: -3,000 to 10,000 m (or -9,840 to 32,800 ft.)

(Altitude calibration can be used to display any 10,700 m within the range above.)

Measuring unit: 1 m (or 5 ft.)

Auto measurement interval (2 minutes, 5 seconds)

Altitude calibration

Altitude graph

Altitude differential measurement (-100 to +100 m/-1,000 to +1,000 m (or -325 to +325 ft./-3,280 to +3,280 ft.))

Altitude Memory
(Manually recorded data: Up to 14 records of altitude, year, month, day, and time recorded with the press of a button; Auto recorded data: One record of high altitude, low altitude, cumulative ascent, cumulative descent)


Measurement range: 260 to 1,100 hPa (or 7.65 to 32.45 inHg)

Display range: 260 to 1,100 hPa (or 7.65 to 32.45 inHg)

Measurement unit: 1 hPa (or 0.05 inHg)

Barometric pressure graph

Barometric pressure indicator (-10 to +10 hPa/-1 to +1 hPa (or -0.25 to +0.25 inHg/-0.05 to +0.05 inHg))

Barometric Pressure Change Indications


Measuring range: -10.0 to 60.0 °C (or 14.0 to 140.0 °F)

Display range: -10.0 to 60.0 °C (or 14.0 to 140.0 °F)

Measuring unit: 0.1 °C (or 0.2 °F)

Temperature Correction

Sensor Accuracy:

Direction sensor

Measurement accuracy: Within ±10°

(Guaranteed accuracy temperature range: 10 °C to 40 °C (50 °F to 104 °F))

Bearing hand indication: Within ±2 gradations

Pressure sensor

Measurement accuracy: Within ±3 hPa (0.1 inHg)

(Altimeter measurement accuracy: Within ±75 m (246 ft.))

  • Guaranteed accuracy temperature range: -10 °C to 40 °C (14 °F to 104 °F)
  • Strong impact or prolonged exposure to temperature extremes may negatively affect accuracy.

Temperature Sensor

Measurement accuracy: Within ±2 °C (3.6 °F)

(Guaranteed accuracy temperature range: -10 °C to 60 °C (14 °F to 140 °F))


Step count measurement using a 3-axis accelerometer

Step count display range: 0 to 999,999 steps

Step count reset: Auto reset at midnight each day

Step count accuracy: ±3% (According to vibration testing)

Power Saving

Sunrise/Sunset Functions:

Sunrise and sunset times

Day select


Measuring units: 1/100 seconds (first hour); 1 second (after first hour)

Measuring capacity: 23:59’59” (24 hours)

Measurement functions: Elapsed time, split times


Setting unit: 1 minute

Countdown range: 1 minute to 24 hours

Countdown unit: 1 second

Time up alert duration: 10 seconds


Time alarms

Number of alarms: 5

Setting units: Hours, minutes

Alarm tone duration: 10 seconds

Hourly time signal: Beep every hour on the hour

World Time:

Current time in 38 cities (38 time zones), and UTC (Coordinated Universal Time) time

Auto summer time setting

Swapping with Home City

One-touch UTC display

Mobile Link:

Auto Time Adjustment

Time setting adjusted automatically at preset time.

One-touch Time Correction

Manual connection and time adjustment

Phone finder

Watch operation sounds the alert sound of the phone.

World Time

A selection of more than 300 World Time cities

Auto Daylight Saving Time (summer time) switching

Automatic switching between standard time and summer time.

Mission Log

Recording of waypoints and their altitudes

Location Indicator

Shows the bearing and distance to a location registered on the watch.

Auto altitude calibration

Automatic altitude calibration at a preset time

Timer Settings

Alarm Settings

Mode sort sequence and number of modes setting

Timekeeping Mode display item setting

Altimeter settings

Barometer settings

Compass settings

Step count data transfer

Calories burned calculation (speed information + altitude information)

Hand alignment correction

Communication Specifications


Frequency band: 2400 MHz to 2480 MHz

Maximum transmission power: 0 dBm (1 mW)

Communication range: Up to 2 meters (depends on environment)


High-brightness DOUBLE LED light (Auto Light, afterglow); illumination duration setting; low battery alert; operation tone ON/ OFF; hand shift feature

Power Supply:

CR2025 x 1

Battery life: Approximately 2 years


Auto Time Adjustment: 4 times/day

Alarm: Once (10 seconds)/day

Illumination: Once (1.5 seconds)/day

Direction readings: 60 seconds continuous, 20 times/month

Climbs: 1/month

  • Altitude Measurement
    Every second for 3 minutes + every 5 seconds for 57 minutes
  • Barometric Pressure Change Indications
    Every second for 3 minutes + every 2 minutes for 23 hours and 57 minutes
  • Mission Log Measurement
    Every 2 minutes for 12 hours
  • Location Indicator Measurement
    10 times for 3 minutes each

Step counting: 12 hours/day

Auto bearing calibration measurements: 10 times/day

Barometric pressure graph measurements: 12 times/day

Specifications are subject to change without notice.