Blancpain Fifty Fathoms “Ocean Commitment” 5008-11B40-52A, Blue Dial

Opening Context
The Blancpain Fifty Fathoms is one of the foundational dive watches in modern horology, originally developed in the 1950s for professional military divers. Over time, it evolved from a pure tool watch into one of the most respected luxury dive watch collections, balancing genuine underwater capability with refined finishing and mechanical sophistication. The “Ocean Commitment” edition reflects Blancpain’s ongoing connection to marine conservation, adding a more focused identity to the Fifty Fathoms platform without compromising its core design language.

Why This Reference Matters
The 5008-11B40-52A stands out because it combines the traditional strengths of the Fifty Fathoms with a cleaner, more compact execution and a meaningful connection to Blancpain’s Ocean Commitment initiatives. The blue sunburst dial gives the watch depth and warmth, while the luminous hour markers and date display preserve the clarity expected of a serious dive watch. The discreet Blancpain Ocean Commitment logo subtly distinguishes the reference without overwhelming the design. Inside, the automatic calibre 1151 delivers an impressive 100-hour power reserve, reinforcing the collection’s reputation for robust and technically capable movements.

On the Wrist
At 40.3mm, the case wears with excellent balance—large enough to retain the presence expected of a Fifty Fathoms, yet more versatile and wearable than larger earlier references. The stainless steel construction keeps the watch practical and understated, while the blue dial shifts beautifully in changing light. On the blue sail-canvas strap, the watch feels purposeful and relaxed, maintaining a strong sporting identity without becoming overly aggressive.

Condition & Transparency
This example features a 40.3mm stainless steel case with blue sunburst dial, luminous hour markers, date display, and Blancpain Ocean Commitment logo. It is fitted to a blue sail-canvas strap secured by a stainless steel pin buckle and powered by the automatic calibre 1151 with approximately 100 hours of power reserve. As always, particular attention should be given to case condition, bezel integrity, dial preservation, movement performance, and overall set completeness—communicated strictly on verified information.

Why It Belongs in a Collection
The Fifty Fathoms “Ocean Commitment” belongs in a collection that values historically important dive watches with genuine mechanical depth. It offers the heritage and capability of one of horology’s defining dive watch designs while adding a more refined and contemporary personality through its proportions and colour palette. For collectors seeking a versatile luxury sports watch with real historical substance, it is an immensely satisfying reference.

Closing
The 5008-11B40-52A is compelling because it balances utility, heritage, and refinement so naturally. With its rich blue dial, capable movement, and strong connection to the Fifty Fathoms legacy, it stands as a thoughtful modern interpretation of one of watchmaking’s great dive watches.

Specifications

• Case Size: 40.3 mm
  
• Material: Stainless Steel
  
• Dial: Blue Sunburst Dial with Luminous Hour Markers, Date Display and Blancpain Ocean Commitment (BOC) Logo
  
• Strap: Blue Sail-Canvas Strap with Stainless Steel Pin Buckle
  
• Power Reserve: 100 Hours
  
• Movement: Automatic (Calibre 1151)

Shipments are delivered under Delivered Duty Unpaid (DDU) terms, with duties and taxes payable by the recipient.