CERTINA DS Action Diver Automatic 43mm Black Dial NATO Strap C041407190510

The CERTINA DS Action Diver Automatic reference C041407190510 is a professional-grade dive watch built for underwater exploration. Powered by the ETA Powermatic 80.611 automatic movement with an 80-hour power reserve, this timepiece combines Swiss precision with rugged durability. The 43mm 316L stainless steel case, black dial, and unidirectional rotating bezel with aluminum insert deliver a classic diver aesthetic, while the NATO textile strap ensures secure wear. Certified to ISO 6425 standards, it offers 300m water resistance, a screw-down crown, and Super-LumiNova luminescence for readability in low light.

Advantages

This watch offers exceptional value for a Swiss-made automatic diver with ISO certification. The Powermatic 80 movement provides a long power reserve, reducing the need for frequent winding. The NATO strap is comfortable and quick-drying, ideal for active use. The 43mm case size strikes a balance between wrist presence and wearability, and the anti-reflective sapphire crystal ensures clear legibility underwater.

Suitable for

• Professional divers and underwater enthusiasts requiring a reliable, ISO-certified timepiece
• Watch collectors seeking a robust automatic diver with a modern movement
• Outdoor adventurers needing a durable, water-resistant watch for extreme conditions
• Everyday wear for those who appreciate a bold, sporty aesthetic

Key specifications

• Movement: Automatic (Self-Winding) ETA Powermatic 80.611
• Power Reserve: 80 hours
• Case Material: 316L Stainless Steel
• Case Diameter: 43 mm
• Case Thickness: 13.1 mm
• Water Resistance: 300 m (30 ATM / 1000 ft)
• Crystal: Sapphire with Anti-Reflective Coating
• Dial Color: Black
• Bezel: Unidirectional Rotating, Aluminum Insert
• Strap: NATO Textile
• Clasp: Pin Buckle
• Luminescence: Super-LumiNova on Hands and Markers
• Functions: Date, Hour, Minute, Second
• Crown: Screw-Down
• Case Back: Screw-Down
• Anti-Magnetic: Nivachron Balance Spring
• Lug Width: 21 mm
• ISO Certification: ISO 6425 Certified Diver's Watch

Recommendations

For optimal performance, ensure the crown is fully screwed down before any water exposure. The NATO strap can be easily swapped for other 21mm straps to customize your look. Regular servicing every 3-5 years will maintain the movement's accuracy and longevity.