Jacob Jensen 646 Men's Watch • Quartz Movement • Sapphire Glass

The Jacob Jensen 646 men's watch embodies the essence of award-winning Danish industrial design. With its precise quartz movement and scratch-resistant sapphire crystal, it is a masterpiece of minimalist aesthetics.

The robust yet lightweight titanium case offers exceptional wearing comfort, while the clean lines and elegant design make it a timeless accessory, representing modern art on the wrist.

Special Features of the Jacob Jensen 646 Watch

• Quartz movement for highest precision and reliability in everyday life.
• Sapphire crystal reliably protects the dial from scratches and damage.
• Titanium case ensures impressive lightness and skin-friendliness.

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, dry thoroughly.
  Important: Screw down the crown firmly 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 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 by a master watchmaker every 5 years.

Storage & Handling

• Store the watch separately, not directly with other jewelry (risk of scratches).
• Remove 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 such as chlorine, salt water, or disinfectants.
• Apply cosmetics and perfume first, then put on jewelry.