Aquastar Benthos Professional Steel Watch

The Aquastar Benthos Professional Watch BENTHOS-PRO brings the legendary heritage of the original 1970 Benthos 500 into the modern era, combining authentic professional diving watch design with contemporary Swiss mechanical precision. Featuring a robust 42mm stainless steel case, distinctive black dial, Swiss Sellita SW200-1 Elaboré automatic movement and impressive 300 metre water resistance, this exceptional Aquastar dive watch has been developed for demanding underwater environments. With its refined 13.7mm case thickness, ceramic rotating bezel and genuine ISOfrane rubber strap, the Benthos Professional delivers a compelling combination of vintage diving heritage, technical performance and everyday versatility.

The Aquastar Benthos Professional draws inspiration from one of the most influential diving watches of the 1970s. Originally introduced in 1970, the Aquastar Benthos 500 became renowned for its innovative construction and exceptional underwater capabilities, earning recognition among professional, commercial and military divers. The modern Benthos Professional preserves the unmistakable design language of its predecessor, including the distinctive case architecture, crown positioned at 2 o'clock and highly legible instrument-inspired dial. Its semi-gloss black dial features bold applied hour markers and hands filled with high-density X1 Super-LumiNova, ensuring excellent visibility in low-light conditions. The clean three-hand display maintains the purposeful simplicity expected from a professional Swiss diving watch.

Crafted from corrosion-resistant stainless steel, the 42mm case measures just 13.7mm thick with a compact 47mm lug-to-lug length, offering improved comfort without compromising its professional diving credentials. A flat sapphire crystal with triple anti-reflective coating provides exceptional clarity and scratch resistance, while the unidirectional 120-click rotating ceramic bezel allows accurate measurement of elapsed diving time. The screw-down crown and robust case construction contribute to the impressive 200 metre water resistance, making this Aquastar automatic dive watch suitable for demanding aquatic environments. Completing the design is a genuine black ISOfrane rubber strap, renowned for its flexibility, durability and suitability for professional diving applications.

Powering the Aquastar Benthos Professional is the Swiss-made Sellita SW200-1 Elaboré automatic movement, a dependable mechanical calibre recognised for its precision, durability and serviceability. The movement provides central hours, minutes and seconds, offering reliable automatic timekeeping without the need for a battery. The Elaboré grade reflects enhanced movement finishing and adjustment, reinforcing the watch's emphasis on dependable Swiss mechanical engineering. Developed through collaboration with professional and recreational divers, the Benthos Professional combines proven automatic movement technology with the robust construction and functional design required from a serious diving instrument.

The Aquastar Benthos Professional Watch BENTHOS-PRO is an exceptional choice for collectors searching for an Aquastar watch, Aquastar Benthos Professional, Aquastar Benthos 500, Swiss automatic dive watch, 200m diving watch, black dial dive watch or vintage-inspired professional diving watch. Combining a distinctive 42mm stainless steel case, sapphire crystal, ceramic diving bezel, Swiss Sellita automatic movement and genuine ISOfrane rubber strap, this remarkable timepiece celebrates more than five decades of Aquastar diving watch innovation. For enthusiasts who appreciate authentic underwater heritage, mechanical reliability and purposeful design, the Benthos Professional represents an outstanding expression of contemporary Swiss dive watchmaking.

Extended Christmas Returns

In addition to our 30 day returns policy, all items purchased from 1st October 2026 can now be returned until 8th January 2027. Standard terms below apply.

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