CASIO PRJB001-5D
CASIO PRO TREK PRJB001‑5D Brown Watch
The CASIO PRO TREK PRJB001‑5D is a rugged yet stylish outdoor watch designed for adventurers and everyday explorers. Featuring a modern analog‑digital display in earthy brown tones and eco‑friendly materials, this timepiece combines durability with smart technology. Powered by Tough Solar, it charges with sunlight and indoor light for reliable, long‑lasting performance, while Bluetooth connectivity allows automatic time adjustment and easy pairing with your smartphone. With a lightweight build and robust functionality — including world time, stopwatch, countdown timer, and water resistance — this watch is ideal for trail hikes, travels, and daily wear.
Key Specifications
General
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Brand: CASIO
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Model: PRJB001‑5D (PRO TREK Series)
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Gender: Men’s Outdoor Watch
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Movement: Tough Solar (solar powered) with Bluetooth® connectivity
Case & Design
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Case Material: Resin / Bio‑based resin (eco‑friendly)
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Bezel Material: Resin / Bio‑based resin
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Case Size (L×W×H): Approx. 50.3 × 46 × 13.6 mm
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Weight: Approx. 37–44 g (lightweight)
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Rotary Guard Bezel for button protection and style
Band
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Band Material: Bio‑based resin / Cloth strap
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Compatible Band Size: 145 – 215 mm (adjustable)
Display & Glass
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Display: Analog‑Digital combination
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Glass: Mineral Glass (scratch resistant)
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Neobrite luminous hands & markers
Functions
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Bluetooth® Mobile Link – automatic time adjustment, easy settings
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Time & Place logging via smartphone app
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Phone Finder
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World Time – 38 time zones + UTC, daylight saving on/off
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Calendar – Full auto‑calendar to 2099
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Stopwatch – 1/100‑second stopwatch
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Countdown Timer
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5 Daily Alarms & Hourly Time Signal
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Battery Level Indicator
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Power Saving (display turns off to save energy)
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12/24‑hour format
Light
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Double LED illumination
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Super Illuminator selectable duration with afterglow
Performance
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Water Resistance: 100 metres / 10 Bar
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Environmental Resistance: Low temperature resistant (‑10 °C)
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Accuracy: ±15 seconds per month (without mobile link)
CASIO PRJB001-7D
CASIO PRO TREK PRJB001‑7D
The CASIO PRO TREK PRJB001‑7D is the ideal choice for outdoor lovers and everyday adventurers who want a tough, reliable, and stylish timepiece. Featuring a soft cream/off‑white dial and band with subtle fluorescent accents, it blends nature‑inspired aesthetics with advanced outdoor functionality. Built with Tough Solar technology and Bluetooth® connectivity, this watch stays powered by light and pairs with your smartphone for automatic time adjustment and activity logging. The innovative rotary guard bezel lets you switch between two looks — protective and sleek for urban wear, or functional for outdoor trails. Lightweight with a bio‑based resin case and comfortable band, the PRJB001‑7D is ready for hikes, travel, and everyday wear.
Key Specifications
General
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Brand: CASIO
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Series: PRO TREK
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Model: PRJB001‑7D
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Gender: Men’s Outdoor Watch
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Movement: Solar‑powered (Tough Solar) with Bluetooth® Mobile Link
Case & Design
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Case Size (L×W×H): 50.3 × 46 × 13.6 mm
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Weight: Approx. 44 g
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Case & Bezel Material: Resin / Bio‑based Resin
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Rotary guard bezel — flip to change style and protect buttons
Band
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Band Material: Bio‑based Resin
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Compatible Band Size: 145 – 215 mm
Display & Glass
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Display Type: Analog‑Digital
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Glass: Mineral Glass
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Luminescent Hands & Markers (Neobrite)
Functions & Features
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Bluetooth® Mobile Link – automatic time adjustment, phone connectivity
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World Time: 38 time zones (38 cities + UTC), daylight saving ON/OFF
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Stopwatch: 1/100‑second stopwatch
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Countdown Timer: Up to 24 hours
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5 Daily Alarms + Hourly Time Signal
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Full Auto‑Calendar (to year 2099)
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Phone Finder & Time & Place Logging (via smartphone app)
Light
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Double LED light with Super Illuminator
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Selectable illumination duration + afterglow
Performance
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Water Resistance: 100 metres / 10 Bar
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Environmental Resistance: Low‑temperature resistant (‑10 °C)
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Accuracy: ±15 seconds per month (without mobile link)
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Battery Life: ~7 months (normal use) / ~18 months with power saving
Other
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12/24‑hour format
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Mute feature (button tone on/off)
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Battery level indicator
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Hand shift feature (moves hands out of view for easy digital reading)