UMF Ruhla NVA Combat Diver 1928M-7 Men's Watch • Automatic • Sapphire Glass

The UMF Ruhla NVA Kampfschwimmer 1928M-7 is a distinctive instrument watch deeply rooted in Thuringian watchmaking. As an authentic re-edition of the legendary service watches, this model combines historical design with modern, robust mechanics from Seiko.

Special Features of the UMF Ruhla 1928M-7 Watch

• Precise Automatic Movement: Equipped with the reliable Seiko NH35A caliber for utmost accuracy and longevity.
• Premium Materials: Scratch-resistant sapphire crystal and a high-quality ceramic bezel protect the watch even under extreme conditions.
• High Water Resistance: With a resilience of up to 20 bar, this wristwatch is a professional companion for diving.

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 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 soak, clean only slightly damp, and let dry away from heat.
• Water resistance: Do not wear for 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 watches 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 such as chlorine, salt water, or disinfectants.
• Apply cosmetics and perfume first, then put on jewelry.