Designed to work even in the harshest environments, the RANGEMAN GPRH1000 from the MASTER of G line is a truly tough piece of outdoor gear. With a mudresistant structure to keep out fine dust and dirt, it is designed to withstand the most punishing conditions and the worst weather situations.

This muscular timepiece is equipped with a heart rate monitor, builtin GPS functionality, and a highdefinition, highcontrast memoryinpixel (MIP) LCD for an easy read.

The case is guarded by sizable metal components on the left and right, protecting the GPS antenna and six sensors inside, to deliver what you need for a wide range of activities.

The trekking function allows you to check your heart rate while on the move so you can keep track of your physical condition during workouts.

Check the tide graph for low and high tides to get the most out of water sports.

Enjoy all this functionality, with no sacrifice in comfort. The soft urethane band delivers a comfortable fit that your wrist will love and is textured on the top side so that even wet fingers can tighten it without slipping.

The case, bezel, and band are made with biobased resin, a material expected to help reduce environmental impact.

With the engraved silhouette of the RANGEMAN wild cat character on a band piece, every detail of this timepiece exemplifies the spirit of this MASTER of G line of specialty watches.


Sensor feature
Activities: Multisport (running, trekking, walking, biking, swimming, others); Calculate and display distance, speed, pace, and other information using GPS or accelerometer; auto/manual lap function; auto pause function
Training Analysis: Cardio load status
Activity Log Data: Up to 100 runs with up to 200 laps each, measurement time, distance, pace, running index, calories burned, energy source used, heart rate, maximum heart rate, cardio load, pitch, maximum pitch, stride, altitude gained, number of strokes, SWOLF
Wrist Heart Rate Measurement (30220 bpm): Heart rate, target heart rate setting, graphic heart rate zone indication, heart rate graph, maximum heart rate, minimum heart rate
Sleep Measurement: Sleep recovery status (6 stages), sleep recovery stage display, sleep status (5 stages), sleep score display range (1 to 100, measurement unit: 1), autonomic nerve status (5 stages), ANS score range (10 to +10, measurement unit: 0.1)
Blood Oxygen Level Measurement*
Breathing Exercise: Setting range (2 to 20 minutes in 1minute increments), biofeedback, zonespecific time summary
Step Count Measurement: 3axis acceleration sensor, step count display range (0 to 99999 steps), step count reset: automatic reset at midnight every day
Active Time Measurement: Special algorithm measures movement time using status analysis (walking, running, biking, undefined)
Life Log: Step count, step count graph (week, month, 6 months), calories burned measurement, active time measurement
Step reminder
Floor Elevation Measurement
Digital compass:
Measurement range: 0° to 359°
16direction display
Auto level correction
Altimeter:
Measuring range: 700 to 10,000 m (or 2,300 to 32,800 ft.)
Display range: 10,000 to 10,000 m (or 32,800 to 32,800 ft.)
Measuring unit: 1 m (or 5 ft.)
Measuring interval: 2 minutes/5 seconds
Altitude differential measurement: 3,000 to 3,000 m (or 9,840 to 9,840 ft.)
Altitude graph
Barometric Pressure Measurement:
Measuring 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)
Measuring unit: 1 hPa (or 0.05 inHg)
Auto measurement interval: 2 hours
Barometric pressure graph
Barometric pressure change indicator
Temperature Measurement:
Measurement range: 10.0 to 60.0℃ (or 14.0 to 140.0℉)
Display range: 10.0 to 60.0℃ (or 14.0 to 140.0℉)
Display unit: 0.1℃ (0.2℉)

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