Junkers Professor 9.31.01.01 Men's Watch • Automatic Movement • Sapphire Crystal

The Junkers Professor 9.31.01.01 is an elegant men's watch from the prestigious Professor series by German watchmaker Junkers. The distinctive corrugated-metal dial design draws on the technical aesthetic of the legendary Junkers aircraft, lending the watch its unmistakable character. The polished and brushed 316L stainless steel case with a diameter of 42 mm ensures a balanced presence on the wrist, while the high-quality sapphire crystal provides reliable scratch protection.

At its heart beats the Japanese Miyota 9015 automatic movement with 24 jewels and a power reserve of approximately 42 hours. The movement can be admired through the exhibition caseback. The screw-down crown and water resistance of 10 ATM make the watch a reliable everyday companion. Luminous material on the hands ensures easy time reading even in low light. A date display rounds off the functionality of this classic dress watch, which impresses with its timeless design and solid craftsmanship.

Key Features of the Junkers 9.31.01.01

• Miyota 9015 automatic movement with 24 jewels, hacking seconds and approx. 42-hour power reserve, visible through the exhibition caseback
• Sapphire crystal and 316L stainless steel case (42 mm diameter) with screw-down crown and 10 ATM water resistance
• Luminous hands and classic corrugated-metal dial design for optimal legibility and distinctive style

Care Instructions for Wristwatches

Care & Cleaning

• Daily: Wipe case and bracelet with a soft, dry cloth to remove dirt and perspiration.
• 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: Harsh chemicals, perfume, cosmetics and heat.
• Leather straps: Do not soak, clean only slightly damp and allow to dry away from heat.
• Water resistance: Do not wear in the shower or bath, have it tested annually.
• Battery (quartz): Have a depleted battery replaced immediately.
• Mechanical watches: Full service by a master watchmaker every 5 years.

Storage & Handling

• Store the watch separately, not directly with other jewellery (risk of scratching).
• When winding mechanical watches, lay them down flat; do not leave the crown pulled out.