Casio Pro Trek PRG-340-3ER Men's Watch • Tough Solar • Digital Compass

The Casio Pro Trek PRG-340-3ER is a highly functional men's watch specially designed for outdoor enthusiasts and adventurers. This wristwatch combines innovative technology with environmentally friendly materials and is the perfect companion for any expedition. Thanks to the reliable Tough Solar drive, no more battery changes are needed, while the integrated digital compass reliably shows the way.

Whether hiking, climbing, or trekking, the robust construction and intuitive operation make this watch an indispensable instrument. The Duplex LC display ensures clear readability of all important data at a glance.

Special features of the Casio PRG-340-3ER watch

• Reliable Solar Power: Tough Solar technology ensures an environmentally friendly and self-sufficient power supply through light.
• Precise Triple Sensor: A digital compass, barometer/thermometer, and altimeter provide crucial data for your tours.
• Sustainable Materials: Case, case back, and strap are made from bio-based resin to reduce environmental impact.

Watch Care Instructions

Care & Cleaning

• Daily: Wipe the case and strap with a soft, dry cloth to remove dirt and sweat.
• Water-resistant watches: Clean with mild soapy water and a soft brush, rinse, and dry thoroughly.
  Important: Screw down the crown tightly beforehand!!!
• Not water-resistant: Clean only dry or slightly damp, do not use water or cleaning agents.
• Avoid: Abrasive agents, perfume, cosmetics, and heat.
• Leather straps: Do not saturate, clean only slightly damp, and allow to dry away from heat.
• Water resistance: Do not wear when showering or bathing, have it checked annually.
• Battery (Quartz): Have a dead battery replaced immediately.
• Mechanical watches: Service every 5 years by a master watchmaker.

Storage & Handling

• Store the watch separately, not directly with other jewelry (risk of scratches).
• Take off mechanical watches when winding, do not leave the crown pulled out.

Jewelry Care – How to Keep Your Jewelry Beautiful:

• Remove jewelry before showering, bathing, and sports.
• Avoid direct sunlight – wood, leather & co. can fade.
• Hands off – constant touching leaves grease and dirt.
• No aggressive cleaning agents like chlorine, saltwater, or disinfectants.
• Apply cosmetics and perfume first, then put on jewelry.