UMF Ruhla Baltic Sea III 1970-4 Men's Watch • Made in Germany • Sapphire Crystal
UMF Ruhla Baltic Sea III 1970-4 Men's Watch • Made in Germany • Sapphire Crystal
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Model Number: 1970-4
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Product Details
Description
The UMF Ruhla Baltic Sea III 1970-4 men's watch combines historical tradition with modern engineering from Ruhla. This wristwatch is a tribute to maritime classics and impresses with its robust design and highest precision, meeting the high standards of the Made in Germany seal.
Equipped with a reliable Seiko NH35A automatic movement and scratch-resistant sapphire crystal, this watch offers extreme water resistance of up to 30 bar. The brown, granulated dial and comfortable silicone strap make it the perfect companion for adventurers and water sports enthusiasts.
Special Features of the UMF Ruhla 1970-4 Watch
- Precise Automatic Movement: Powered by the proven Seiko NH35A caliber for long-lasting reliability without a battery.
- Scratch-Resistant Sapphire Crystal: Maximum protection for the dial and permanently clear visibility under all conditions.
- Extreme Water Resistance: With 30 bar (300m), this watch is ideally suited for professional diving.
This watch belongs to the popular Baltic Sea III series from UMF Ruhla.
| Feature | Details | EU Dress Size Ref. |
|---|---|---|
| Case Diameter | 43 mm | L (Sturdy Wrists) |
| Case Material | Stainless Steel | - |
| Movement | Automatic (Seiko NH35A) | - |
| Crystal Type | Sapphire Crystal | - |
| Water Resistance | 30 bar (300m) | - |
Technical Data
Basisdaten
| Zielgruppe |
Men's |
|---|---|
| Stil / Anlass |
Diver |
| Modellserie / Kollektion |
Baltic Sea IV |
| Modellnummer |
1970-4 |
| EAN / GTIN | 4041338197044 |
| Anzeigeart |
Analog |
| Wasserdichte in Bar |
30 |
| Weitere Eigenschaften |
Limited Edition (299 pieces) |
Gehäuse & Konstruktion
| Gehäusematerial |
Stainless steel |
|---|---|
| Gehäusefarbe |
Bicolor |
| Gehäusedurchmesser in mm |
43 |
| Gehäuseform |
Round |
| Gehäusehöhe in mm |
16,5 |
| Gewicht in Gramm |
135 |
| Lünette Material |
Single-sided rotatable |
| Uhrenglas |
Sapphire glass |
| Gehäuseboden |
Screwed |
| Aufzugskrone |
Screw-down crown |
Zifferblatt & Anzeige
| Zifferblattfarbe |
Brown |
|---|---|
| Ziffern & Index |
Line index |
| Sekundenzeiger |
Yes |
| Leuchtmasse (Lume) |
Yes (Pointers & Indices) |
Uhrwerk & Antrieb
| Antriebsart / Uhrwerk |
Automatic |
|---|---|
| Kaliber / Werk |
Seiko NH35A |
| Datumsanzeige |
Yes |
| Stoppfunktion |
No |
| Wochentagsanzeige |
No |
| Timer |
No |
| Gangreserve in Minuten |
41 |
Armband & Schließe
| Armbandmaterial |
Silicone |
|---|---|
| Armbandfarbe |
Black |
| Armbandbreite in mm |
22 |
| Verschluss |
Buckle |
Care instructions
Care Instructions for Wristwatches
Care & Cleaning
- Daily: Wipe case and bracelet 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 waterproof: 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 when 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).
- 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 sun – 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.
Scope of delivery
Product questions
Find your perfect fit

UMF Ruhla – Wristwatches with Watchmaking History from Ruhla
UMF Ruhla stands for wristwatches originating from a traditional German watchmaking region, known for decades for reliable timekeeping. The name combines craftsmanship, history, and a clearly functional standard reflected in calm, easy-to-read designs.
Today, UMF Ruhla wristwatches represent authentic character and a design that remains deliberately down-to-earth. Ideal for anyone looking for a watch with history – unobtrusive in look, reliable in function, and with a tangible connection to watchmaking tradition.

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Whether for yourself or as a gift: we guarantee 100% original goods from renowned manufacturers. Your order leaves our premises insured and will reach you as early as the next business day.
Should the piece not fit perfectly, take advantage of our generous 100-day returns – straightforward and free of charge. Experience for yourself why over 13,000 customers have found their timepieces with us.
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