UMF-Ruhla Professional Diver Watch 200ATM/2000M ETA 2825-2
Caliber: ETA 2826-2 Automatic with Big Date
Watchcase: Stainless steel, brushed
Dial: Fully luminescent green
Diameter: 44 mm
Height: 16 mm
Weight including metal strap: 250 g
UMF-RUHLA 1958M-4 Kampfschwimmer Automatic – 2000 Meters | Limited Edition Green
Made in Thuringia. Built for the Deep. Limited to 50 pieces worldwide.
The UMF-RUHLA Kampfschwimmer 1958M-4 is not just another dive watch – it is a professional-grade instrument engineered for extreme conditions. Inspired by the historic combat swimmer heritage and built with uncompromising technical precision, it combines East German watchmaking tradition with modern high-performance dive technology.
The fully luminescent green dial guarantees maximum legibility – even in absolute darkness. Applied indices filled generously with luminous material rise above the dial surface, ensuring optimal readability under water and in low-light environments.
200 BAR – 2000 METERS – TRUE PROFESSIONAL SPECIFICATION
- 200 ATM / 2000 meters water resistance
- Integrated helium release valve for saturation diving
- Screw-down crown
- Massive screw-down stainless steel caseback
- Armored sapphire crystal
- Grippy ceramic unidirectional bezel with luminous markers
With a 44 mm case diameter and a weight of approximately 250 grams, this watch immediately conveys stability, precision and mechanical presence.
This is not a lifestyle diver. This is engineering.
Swiss Power – ETA 2826-2 with Big Date
Inside beats the proven ETA 2826-2 automatic movement featuring a large date display.
- Excellent accuracy and stability
- High reliability
- Long-term durability
- Service-friendly construction
A true workhorse – perfectly matching the character of this timepiece.
Made in Thuringia – German Watchmaking Heritage Since 1958
UMF-RUHLA represents German horological history. Manufactured in Thuringia – one of Germany’s most traditional watchmaking regions – the 1958M-4 unites historical legacy with modern production standards.
Where heritage meets deep-sea technology.
Solid Stainless Steel Bracelet + Professional Diver Strap
- Screw-fixed bracelet links
- Diver’s extension
- Secure folding clasp
- Additional fully luminescent silicone diver strap included
Whether worn over a wetsuit or in everyday life – this watch remains uncompromisingly secure.
We also include for free an additional black rubber strap by RIOS1931
To ensure you can adjust the metal band properly, we include a professional screwdriver in the appropriate size!
Strictly Limited – Only 50 Pieces Per Dial Color Worldwide
Each version is limited to just 50 pieces worldwide.
No mass production. No repetition. A true collector’s piece with character.
Technical Specifications
- Model: UMF-RUHLA Kampfschwimmer 1958M-4
- Movement: ETA 2826-2 Automatic with Big Date
- Case: Satin-finished stainless steel
- Diameter: 44 mm
- Height: approx. 16.3 mm
- Weight: approx. 250 g (unadjusted)
- Crystal: Armored sapphire crystal
- Bezel: Stainless steel with ceramic insert, unidirectional
- Water Resistance: 200 ATM / 2000 m
- Helium Valve: Yes
- Dial: Fully luminescent green
- Bracelet: Stainless steel with diver extension
- Additional Strap: Fully luminescent silicone strap
- Limited Edition: 50 pieces per dial color
- Origin: Made in Germany – Made in Thuringia
Conclusion
The UMF-RUHLA 1958M-4 is one of the most uncompromising German dive watches in its class. Technically impressive. Historically rooted. Strictly limited.
A watch for those who do not only measure depth – but understand it.





