TUDOR Black Bay 68 43mm Watch M7943A1A0NU-0001

Box: Yes | Papers: Yes | Year: 2025
Specifications
  • REFERENCE: M7943A1A0NU-0001
  • CONDITION: Immaculate condition with original box and papers
  • GUARANTEE: Jun 2025
  • MATERIAL: Stainless steel
  • DIAL: Blue
  • BRACELET: 3-link “rivet-style” stainless steel bracelet
  • DIAMETER: 43mm
  • BEZEL: Uni-directional with aluminium insert
  • CROWN: Screw-down
  • CRYSTAL: Domed sapphire
  • WATER RESISTANCE: Waterproof to 200m
  • MOVEMENT: Calibre MT5061-U
  • ACCURACY: 0/+5 sec/day, after casing
  • POWER RESERVE: Approximately 70 hours
  • CLASP: TUDOR T-fit clasp

The TUDOR Black Bay 68 represents a bold departure from contemporary sizing trends, embracing the philosophy that bigger can indeed be better when executed with precision and purpose. This exceptional 43mm timepiece celebrates the pivotal year of 1968 when TUDOR introduced the iconic Snowflake hand that would become the brand’s aesthetic calling card, entering the catalogue in 1969 and defining TUDOR’s visual identity for generations. The watch delivers commanding wrist presence through its substantial proportions while maintaining the refined elegance that distinguishes TUDOR’s approach to professional diving equipment, creating a timepiece that serves both functional and lifestyle requirements.

This 43mm stainless steel dive watch features the advanced Manufacture Calibre MT5601-U, delivering exceptional anti-magnetic resistance up to 15,000 gauss and METAS-certified 70-hour power reserve that ensures “weekend-proof” reliability. The distinctive “TUDOR Blue” dial pays homage to the brand’s signature colour while providing optimal legibility in demanding conditions. The Black Bay 68 demonstrates TUDOR’s commitment to creating timepieces for every wrist size, acknowledging that substantial proportions can enhance both visual impact and functional capability when designed with thoughtful consideration for comfort and performance.

Condition: Immaculate condition
Includes: Original box and papers
Guarantee: Warranty valid until 2030
Shipping: Free UK delivery

TUDOR Black Bay 68 Key Features

Large-Scale Dive Watch Construction

  • 43mm stainless steel case with polished and satin-brushed finishes
  • 13.6mm case thickness housing advanced manufacture movement
  • 22mm lug width for substantial bracelet presence
  • 60-minute unidirectional rotating bezel with matte black insert
  • Precise 120-click bezel system for accurate timing
  • 200-metre water resistance (660 feet)
  • Reference: M7943A1A0NU-0001

Manufacture Calibre MT5601-U with METAS Certification

  • Manufacture Calibre MT5601-U (COSC and METAS certified)
  • Self-winding mechanical movement with bidirectional rotor
  • 70-hour “weekend-proof” power reserve certified by METAS
  • Anti-magnetic resistance up to 15,000 gauss rating
  • Variable inertia balance wheel with traversing bridge
  • Silicon balance spring technology for enhanced precision
  • Robust two-point anchoring system for stability

“TUDOR Blue” Dial Design Elements

  • Sun-brushed “TUDOR Blue” dial with applied hour markers
  • Iconic Snowflake hands celebrating 1968 heritage
  • Domed sapphire crystal with anti-reflective coating
  • Date display at 3 o’clock position
  • Luminous hour markers and hands for underwater visibility
  • Signature TUDOR blue colour representing brand heritage
  • Enhanced legibility through high-contrast design

Professional Bracelet and Crown System

  • Three-link stainless steel bracelet with smooth side flanks
  • Polished and satin finishes creating visual depth
  • TUDOR T-fit rapid adjustment clasp with safety catch
  • Stainless steel screw-down crown with TUDOR rose
  • Robust construction suitable for professional diving
  • Enhanced comfort for extended wearing periods
  • Five-year transferable guarantee coverage

The Black Bay 68 Legacy and 1968 Heritage

The Black Bay 68 celebrates the pivotal year of 1968 when TUDOR introduced the iconic Snowflake hand that would become the brand’s defining aesthetic signature, entering the official catalogue in 1969 and establishing a visual identity that continues to distinguish TUDOR timepieces today. This substantial 43mm timepiece acknowledges that modern watch enthusiasts represent diverse preferences for case sizing, with some collectors specifically seeking larger proportions that create commanding wrist presence and enhanced functionality. The “TUDOR Blue” dial represents another cornerstone of the brand’s visual heritage, demonstrating how signature design elements can evolve while maintaining their essential character and recognition.

The watch represents TUDOR’s commitment to comprehensive collection development that serves every wrist size and preference, challenging the contemporary trend toward smaller proportions by demonstrating that substantial sizing can enhance both visual impact and practical functionality when executed with precision and consideration. The MT5601-U movement’s METAS certification represents significant achievement beyond traditional COSC standards, providing anti-magnetic resistance up to 15,000 gauss and validated 70-hour power reserve that ensures reliable performance throughout extended periods. This combination of heritage celebration and technical advancement positions the Black Bay 68 as both tribute to TUDOR’s defining moments and demonstration of contemporary manufacturing excellence that serves both professional diving requirements and luxury watch expectations.

Perfect For

  • Large-scale timepiece enthusiasts
  • 1968 Snowflake heritage collectors
  • METAS certification seekers
  • “TUDOR Blue” dial admirers
  • Anti-magnetic resistance devotees
  • 43mm case size advocates
  • Professional diving equipment users
  • Heritage brand loyalists seeking substantial presence

Frequently Asked Questions

What Makes the 43mm Size Practical for Modern Wrist Sizes?

The 43mm case diameter provides substantial wrist presence that accommodates contemporary preferences for larger timepieces while maintaining comfortable proportions through thoughtful case architecture and weight distribution. TUDOR’s engineering ensures the increased size enhances rather than compromises wearing comfort through proper lug design and balanced construction that prevents the watch from feeling cumbersome or unstable. The substantial dimensions allow for enhanced dial legibility and improved bezel operation, making timing functions more accessible during professional diving applications.

Modern wrist sizes and style preferences increasingly favour larger timepieces that project confidence and capability, making the 43mm sizing particularly relevant for contemporary watch enthusiasts. The case thickness of 13.6mm maintains reasonable profile despite housing the complex MT5601-U movement, while the three-link bracelet construction distributes weight effectively for extended wearing comfort. For collectors who appreciate commanding presence without excessive bulk, the Black Bay 68 demonstrates how thoughtful design can make substantial sizing both practical and appealing for daily use.

How Does METAS Certification Enhance the MT5601-U Movement Performance?

METAS certification represents comprehensive testing protocol that exceeds traditional COSC chronometer standards, validating the movement’s performance across multiple criteria including precision, power reserve, anti-magnetic resistance, and water resistance. The MT5601-U’s certified 70-hour power reserve ensures “weekend-proof” reliability, meaning the watch continues running accurately even when unworn for extended periods. The anti-magnetic resistance up to 15,000 gauss provides exceptional protection against electromagnetic fields encountered in modern environments filled with electronic devices.

The certification process involves rigorous testing that simulates real-world wearing conditions rather than laboratory-only assessments, providing confidence that the movement will perform reliably under diverse circumstances. The variable inertia balance wheel with traversing bridge construction and two-point anchoring system ensures stability and precision that meets METAS standards consistently. For users who value verified performance credentials and technical excellence, the METAS certification represents measurable advancement beyond conventional chronometer requirements, demonstrating TUDOR’s commitment to creating movements that serve both professional applications and luxury watch expectations.

Why Does “TUDOR Blue” Hold Special Significance for the Brand?

“TUDOR Blue” represents one of the brand’s most distinctive colour signatures, appearing consistently across collections as a visual identifier that connects diverse timepieces within TUDOR’s heritage. The colour choice reflects the brand’s naval and diving heritage while creating distinctive alternative to traditional black diving watch dials that enhances both legibility and aesthetic appeal. The sun-brushed finish technique applied to the Blue dial creates dynamic light interaction that ensures optimal visibility under varying lighting conditions while adding visual depth and character.

The colour serves as bridge between TUDOR’s professional tool watch heritage and contemporary luxury watch expectations, demonstrating how signature design elements can evolve while maintaining their essential recognition and brand connection. The Blue dial complements the stainless steel case and bracelet while providing sufficient contrast for clear time reading during professional diving applications. For collectors who appreciate brand-specific design signatures and distinctive aesthetic choices, “TUDOR Blue” offers recognisable character that distinguishes TUDOR timepieces from generic diving watch alternatives while honouring the brand’s visual heritage and professional capabilities.

How Does the 1968 Snowflake Heritage Influence This Modern Timepiece?

The 1968 introduction of the Snowflake hand represents pivotal moment in TUDOR’s design evolution, creating distinctive visual signature that would define the brand’s aesthetic identity for generations and distinguish TUDOR timepieces from other diving watch manufacturers. The Black Bay 68 celebrates this heritage milestone by incorporating the iconic hand design while demonstrating how classic elements can enhance contemporary timepieces without appearing dated or nostalgic. The Snowflake hands provide excellent legibility through their distinctive shape and luminous coating while maintaining connection to TUDOR’s defining design moments.

The heritage connection extends beyond mere nostalgic reference to represent authentic continuation of design philosophy that prioritises both function and distinctive character in professional diving equipment. The 1968-1969 period marked TUDOR’s emergence as independent design voice rather than Rolex subsidiary, making the Snowflake hand symbolic of the brand’s creative autonomy and unique aesthetic vision. For collectors who value authentic heritage rather than manufactured nostalgia, the Black Bay 68’s Snowflake hands represent genuine design continuity that honours TUDOR’s creative evolution while serving contemporary performance requirements and luxury watch expectations.

What Advantages Does the Three-Link Bracelet Provide Over Five-Link Alternatives?

The three-link bracelet construction offers enhanced robustness and simplified maintenance compared to more complex five-link designs, making it particularly suitable for professional diving applications where reliability and ease of cleaning are essential. The smooth side flanks provide comfortable wrist contact while the polished and satin finishes create visual interest without compromising durability or functionality. The fewer links reduce potential failure points while maintaining elegant appearance and secure attachment to the substantial 43mm case.

The construction philosophy emphasises practical performance over decorative complexity, ensuring the bracelet serves the watch’s tool watch heritage while providing luxury watch comfort and aesthetics. The T-fit rapid adjustment system integrates seamlessly with the three-link design, offering instant sizing modifications without compromising bracelet integrity or appearance. For users who prioritise reliability and low-maintenance ownership experience, the three-link construction provides optimal balance between professional capability and refined luxury that serves both diving applications and daily wearing requirements without excessive complexity or maintenance demands.

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