Junkers JUMO 9.21.01.02.M Men's Watch • Automatic Chronograph • Sapphire Crystal

The Junkers JUMO 9.21.01.02.M is a tribute to the impressive engineering of Junkers Motorenbau GmbH. As a striking automatic chronograph, it embodies the perfect symbiosis of historical aviation aesthetics and modern precision engineering. At its heart is the legendary Swiss ETA Valjoux 7750 caliber, known for its uncompromising reliability and accuracy.

With its robust stainless steel case, scratch-resistant sapphire crystal, and water resistance up to 10 bar, this wristwatch is the ideal companion for men who value technical excellence and masculine design. The black dial with a tachymeter scale and clearly legible indices emphasizes the instrument character of this exceptional pilot's watch.

Special features of the Junkers JUMO 9.21.01.02.M watch

• Swiss automatic movement ETA Valjoux 7750 for ultimate precision and a first-class chronograph function.
• Scratch-resistant sapphire crystal optimally protects the dial from damage and ensures lasting clarity.
• High-quality stainless steel bracelet with safety folding clasp offers durable wearing comfort and an elegant look.

Care Instructions for Wristwatches

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 firmly beforehand!!!
• Not water-resistant: Clean only dry or slightly damp, do not use water or cleaning agents.
• Avoid: Aggressive agents, perfume, cosmetics, and heat.
• Leather straps: Do not soak, clean only slightly damp, and let dry away from heat.
• Water resistance: Do not wear while 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 scratching).
• 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, saltwater, or disinfectants.
• Apply cosmetics and perfume first, then put on jewelry.