BlancpaiN 5015-1130-52A: A Timeless Dive Watch in the Fifty Fathoms Lineage

BlancpaiN 5015-1130-52A: A Timeless Dive Watch in the Fifty Fathoms Lineage

Posted by Damon Slachter on Jun 2nd 2023

Blancpain is a name that resonates with luxury timepieces, renowned for its exquisite craftsmanship and innovation. Among its esteemed collection, the Blancpain Fifty Fathoms stands out as a legendary dive watch line that has captured the hearts of watch enthusiasts for over six decades. In this blog post, we will explore the history of the Fifty Fathoms product line and delve into the remarkable features of the Blancpain 5015-1130-52A, a captivating timepiece from this iconic collection.

The Birth of the Fifty Fathoms:

The Blancpain Fifty Fathoms was born in the early 1950s, a time when recreational diving was beginning to gain popularity. French naval officer and diving pioneer Captain Bob Maloubier, along with Lieutenant Claude Riffaud, approached Blancpain to create a robust, reliable, and accurate dive watch for their underwater missions. Responding to this challenge, Blancpain collaborated with French military divers to develop the first Fifty Fathoms timepiece, which was introduced in 1953.

The Fifty Fathoms Revolutionizes Diving Watches:

The Blancpain Fifty Fathoms became an instant success, known for its groundbreaking features and pioneering spirit. It was the first dive watch to feature a unidirectional rotating bezel, allowing divers to track elapsed time underwater accurately. The large, luminous hour markers and hands ensured optimal legibility in low-light conditions, while the double O-ring sealed crown enhanced water resistance. With a water resistance of 50 fathoms (equivalent to 91.45 meters or 300 feet), the watch surpassed the needs of professional divers and set the standard for future dive watches.

The Evolution of the Fifty Fathoms:

Over the years, Blancpain continued to refine and innovate the Fifty Fathoms collection. The brand introduced advancements like the moisture indicator, which provided a visual indication if water entered the watch case, ensuring the safety of the diver. Further enhancements included improved water resistance, increased shock resistance, and innovative materials such as ceramic and titanium for enhanced durability.

Introducing the Blancpain 5015-1130-52A:

The Blancpain 5015-1130-52A, part of the modern Fifty Fathoms lineup, pays homage to its iconic predecessors while embracing contemporary design and technical excellence. This timepiece exhibits the core elements that define the collection: robustness, reliability, and exceptional performance.

Design and Aesthetics:

The 5015-1130-52A features a stainless steel case with a diameter of 45mm, exuding a strong and masculine presence on the wrist. The unidirectional rotating bezel, fitted with a scratch-resistant sapphire insert, allows for precise measurement of dive times. The black dial, accentuated by large luminous hour markers and hands, ensures optimal legibility even in challenging underwater environments. A date window at the 4 o'clock position adds practicality to this stunning timepiece.

Mechanical Excellence:

Powering the Blancpain 5015-1130-52A is the Caliber 1315, an automatic movement renowned for its precision and reliability. With an impressive power reserve of 120 hours (5 days), this mechanical marvel ensures accurate timekeeping even during extended periods without winding. The sapphire crystal case back allows admirers to appreciate the intricate craftsmanship of the movement.

Water Resistance:

Staying true to its roots, the Blancpain 5015-1130-52A boasts an exceptional water resistance of 300 meters (1,000 feet). The screw-down crown and case back, along with the robust construction, provide impeccable protection against the elements, making

it a reliable companion for diving adventures.


The Blancpain Fifty Fathoms has withstood the test of time, solidifying its status as an iconic dive watch collection. The Blancpain 5015-1130-52A represents the culmination of decades of innovation and expertise, combining timeless design with modern technology. Whether you're an avid diver or a connoisseur of fine timepieces, this remarkable watch from the Fifty Fathoms lineage is sure to captivate and inspire.

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