At a glance

The PRW-3500-1ER comes with a titanium band that is both lighter and provides an extra added touch of elegance. It is water resistant up to 200 metres and feature Full Auto LED display illumination.


12/24 Hour Format

Times can be displayed in either a 12-Hour or 24 Hour Format.


+/- 15 seconds per month (with no signal calibration)

Alarm Function

Daily Alarm: sounds each day at the time you set

Hourly Time Signal: Causes the watch to beep every hour on the hour


Measuring range: –700 to 10,000 m; Measuring unit: 1 m; Hand indication of altitude differential; Manual memory measurements; Auto log data

Auto Calendar

Fully automatic calendar, with allowances made for leap years, pre-programmed to 2099


A built-in pressure sensor measures barometric pressure, which is shown on the display.

Battery Level Indicator

An indicator shows the current battery charge level.

Button Tones On/Off

tone on/off

Countdown Timer

Countdown range: 24 hours

Measuring Unit: 1 second

Digital Compass

Measures and displays direction as one of 16 points Measuring range: 0 to 359° Measuring unit: 1° 60 seconds continuous measurement Hand indication of north Bidirectional calibration Magnetic declinat


(H x W x D)

56.9 x 53.4 x 14.8mm

LED backlight (Super Illuminator)

Auto light switch, selectable illumination duration, afterglow

Low Temperature Resistant

The timekeeping module is designed for operation at very low temperatures, typically -10°C/ 14°F

Power Saving

hands stop to save power when the watch is left in the dark

Regular timekeeping

Hour, minute, second, pm, month, date, day

Size of case

56.9 x 53.4 x 14.5 mm

Solar Power

Tough Solar


1/10th Sec Stopwatch

Sunrise/Sunset Display

Sunrise and Sunset times are displayed for your chosen location. Ideal for planning outdoor activities.


A built-in temperature sensor measures the ambient temperature around the watch and displays it on the LCD (range, -10°C /+60°C)

Display unit: 0.1°C (0.2°F)

Time calibration signal reception

Auto receive up to six* times a day (remaining auto receives canceled as soon as one is successful) *5 times a day for the Chinese calibration signal; Manual receive; The latest signal reception resul

Time Calibration Signals

Station name: MSF (Anthorn, England) Frequency: 60.0 kHz

Total weight

90 g

Water Resistant

200 Metre/20 Bar

World Time

31 time zones (48 cities + coordinated universal time)

Related Links

Support Information