TUDOR Black Bay 41 GMT Pepsi Watch M79830RB-0001

£3,000.00

In stock

Box: Yes | Papers: Yes | Year: 2025
Specifications
  • REFERENCE: 79230B-0008
  • CONDITION: Unworn condition with full set
  • GUARANTEE: Jul 2025
  • MATERIAL: Stainless steel
  • DIAL: Black
  • BRACELET: Riveted stainless steel bracelet
  • DIAMETER: 41mm
  • BEZEL: Bi-directional with blue and red anodised aluminium insert
  • CROWN: Screw-down
  • CRYSTAL: Sapphire
  • WATER RESISTANCE: Waterproof to 200m
  • MOVEMENT: Calibre MT5652
  • ACCURACY: -2/+4 sec/day, after casing
  • POWER RESERVE: Approximately 70 hours
  • CLASP: Folding clasp and safety catch

The TUDOR Black Bay 41 GMT Pepsi represents the perfect fusion of TUDOR’s legendary diving watch heritage with sophisticated GMT functionality, creating a timepiece that serves both professional travellers and diving enthusiasts without compromise. This exceptional 41mm watch delivers dual-time capability through its distinctive red GMT hand and iconic “Pepsi” bezel that pays homage to the golden age of aviation timekeeping while maintaining the robust construction essential for underwater exploration. The watch embodies TUDOR’s commitment to creating versatile timepieces that honour diving heritage while embracing contemporary travel requirements, establishing itself as the ideal companion for modern adventurers who demand both style and uncompromising functionality.

This 41mm stainless steel GMT watch features the advanced Manufacture Calibre MT5652, delivering exceptional precision with COSC certification and 70-hour power reserve that ensures reliable dual-time performance throughout extended travel or diving expeditions. The distinctive black dial with contrasting opaline finish provides optimal legibility in all conditions, while the bidirectional 24-hour bezel enables intuitive time zone management for professional travellers. The Black Bay GMT demonstrates TUDOR’s evolution from pure diving specialist to creator of sophisticated travel timepieces that maintain authentic maritime heritage while serving contemporary lifestyle requirements, combining proven diving watch reliability with GMT functionality that meets the demands of international business and recreational travel.

Condition: Unworn pre-owned condition
Includes: Complete box set
Guarantee: Warranty valid until 2030
Shipping: Free UK delivery

TUDOR Black Bay GMT Key Features

Professional GMT Travel Watch Construction

  • 41mm stainless steel case with polished and satin-brushed finishes
  • 14.6mm case thickness housing GMT movement architecture
  • 22mm lug width for versatile strap and bracelet options
  • Bidirectional rotatable 24-hour bezel with burgundy and blue insert
  • 48 notches for precise time zone adjustment
  • 200-metre water resistance (660 feet)
  • Reference: M79830RB-0001

Manufacture Calibre MT5652 GMT

  • Manufacture Calibre MT5652 (COSC certified GMT movement)
  • Self-winding mechanical movement with bidirectional rotor
  • 70-hour power reserve for extended travel reliability
  • Silicon balance spring for enhanced precision and magnetic resistance
  • Variable inertia balance wheel with superior regulation
  • Built-in GMT architecture for independent hour hand adjustment
  • Steel screw-down crown with TUDOR rose insignia

Pepsi Bezel and Dial Design Elements

  • Black dial with contrasting opaline finish for enhanced legibility
  • Red GMT hand with signature TUDOR Snowflake design
  • Domed sapphire crystal with anti-reflective coating
  • Date display at 3 o’clock position
  • Applied luminous hour markers for night-time visibility
  • Burgundy and blue 24-hour bezel insert with matte finish
  • Day/night colour distinction for intuitive time zone reading

Professional Bracelet System

  • Riveted steel bracelet with polished and satin finishes
  • Mixed finishing creating visual depth and heritage appeal
  • Folding clasp with safety catch mechanism
  • Satin-brushed steel winding crown tube for enhanced durability
  • Comfortable wearing experience for extended travel periods
  • Robust construction suitable for professional diving use
  • Five-year transferable guarantee coverage

The Black Bay GMT Heritage and Modern Travel Evolution

The Black Bay GMT represents TUDOR‘s sophisticated response to modern travel requirements while maintaining the brand’s authentic diving watch DNA that has defined professional maritime equipment for decades. The GMT complication provides essential functionality for frequent travelelrs who need to track multiple time zones simultaneously, while the 200-metre water resistance ensures the watch maintains its diving capabilities without compromise. The distinctive “Pepsi” bezel with burgundy and blue colouring pays homage to the golden age of aviation timekeeping when GMT watches served as essential navigation tools for international pilots and flight crews.

The watch bridges TUDOR’s diving heritage with a contemporary travel lifestyle, acknowledging that modern adventurers often cross time zones as frequently as they explore underwater environments. The MT5652 movement’s independent hour hand adjustment allows travellers to change local time without affecting GMT reference or stopping the watch, providing practical convenience during international travel. This combination of diving authenticity and travel sophistication positions the Black Bay GMT as versatile timepiece that serves both professional diving requirements and international business travel, demonstrating TUDOR’s commitment to creating watches that adapt to modern lifestyle demands while honouring authentic maritime heritage and proven functional reliability.

Perfect For

  • International business travellers
  • Professional diving equipment users
  • GMT functionality enthusiasts
  • “Pepsi” bezel collectors
  • TUDOR manufacture movement devotees
  • Dual-time zone requirement seekers
  • Aviation heritage admirers
  • Versatile luxury tool watch enthusiasts

Frequently Asked Questions

How Does the GMT Function Enhance Practical Travel Use?

The GMT complication allows simultaneous tracking of three time zones, local time via the main hands, home time via the red GMT hand, and a third time zone through bezel manipulation, providing comprehensive time management for international travellers. The independent hour hand adjustment enables quick local time changes during travel without stopping the watch or affecting the GMT reference, essential for frequent travellers crossing multiple time zones. The 24-hour bezel rotation allows intuitive reading of day/night status in reference time zones, preventing confusion when scheduling calls or meetings across different continents.

The bidirectional bezel operation provides flexibility for tracking additional time zones beyond the two displayed by the hands, while the burgundy and blue colour coding immediately identifies day and night hours for enhanced clarity. The functionality proves particularly valuable for business travellers who need to maintain awareness of home office hours while conducting business in local time zones. For professionals who frequently travel internationally or maintain business relationships across multiple continents, the GMT function provides essential time zone management that enhances productivity while reducing the mental effort required for time zone calculations.

What Distinguishes the “Pepsi” Bezel Design from Other GMT Watches?

The burgundy and blue “Pepsi” bezel represents classic GMT colour scheme that originated in aviation timekeeping, providing intuitive day/night distinction that enhances practical time zone reading. The matte finish eliminates reflective glare that could interfere with legibility during professional use, while the 48-notch precision ensures accurate time zone adjustments. The colour combination creates immediate visual recognition of the watch’s GMT capability while honouring the aesthetic heritage that connects modern TUDOR timepieces to the golden age of international aviation.

The bezel design balances heritage authenticity with contemporary refinement, avoiding overly bright colours that might appear casual while maintaining sufficient contrast for clear time zone identification. The burgundy section represents daylight hours while blue indicates nighttime, creating intuitive system that requires no learning curve for practical use. For collectors who appreciate authentic GMT heritage and users who value functional time zone management, the “Pepsi” bezel provides both historical connection and practical advantages that enhance the overall GMT experience while creating distinctive visual appeal.

Why Choose the Black Bay GMT Over Standard Diving Watches?

The Black Bay GMT provides dual-time functionality that standard diving watches cannot offer, making it ideal for travellers who need diving capability combined with GMT convenience. The watch maintains full 200-metre water resistance and diving watch construction while adding sophisticated travel complications that serve modern lifestyle requirements. The GMT function proves valuable beyond travel applications, including coordination with team members in different time zones, tracking market hours for international business, or maintaining connection with family across continents.

The versatility extends the watch’s utility beyond pure diving applications to serve comprehensive lifestyle requirements that modern professionals encounter. Unlike basic diving watches that serve single-purpose applications, the GMT complication creates timepiece that adapts to diverse situations while maintaining authentic diving heritage. For users who value both diving authenticity and travel functionality, the Black Bay GMT provides optimal balance between specialised capability and versatile utility that serves multiple aspects of contemporary active lifestyles without compromising either diving or travel performance.

How Does the MT5652 Movement Compare to Standard GMT Calibres?

The MT5652 represents significant advancement over standard GMT movements through its 70-hour power reserve that exceeds most competing calibres, ensuring reliable dual-time performance during extended travel periods. The COSC certification guarantees precision that meets chronometer standards while the silicon balance spring provides enhanced magnetic resistance essential for modern travel environments filled with electronic devices. The built-in GMT architecture with independent hour hand adjustment offers superior convenience compared to GMT watches that require crown manipulation through multiple positions.

The manufacture construction demonstrates TUDOR’s commitment to creating in-house movements that serve specific functional requirements rather than adapting generic calibres for GMT applications. The weekend-proof power reserve accommodates irregular wearing patterns common during international travel, while the robust construction ensures reliable performance under demanding conditions. For users seeking GMT functionality with manufacture movement quality and proven reliability, the MT5652 provides compelling alternative to both standard ETA-based GMT watches and more expensive Swiss manufacture alternatives while delivering performance that serves genuine travel requirements.

What Makes This GMT Watch Suitable for Both Diving and Travel?

The Black Bay GMT maintains authentic diving watch construction including 200-metre water resistance, screw-down crown, and robust case architecture that serves professional underwater applications, while the GMT complication adds travel functionality without compromising diving capability. The luminous markers and hands ensure optimal underwater visibility, while the GMT function provides surface-level convenience for tracking decompression schedules, dive planning, or coordinating with support teams in different time zones. The combination serves diverse adventure requirements without forcing users to choose between diving and travel functionality.

The versatile design acknowledges that modern adventurers frequently combine diving expeditions with international travel, requiring timepieces that serve both applications with equal competence. The water resistance and construction quality ensure the watch withstands demanding diving conditions, while the GMT complication provides practical convenience for travel logistics and international coordination. For diving enthusiasts who frequently travel to diverse diving destinations or professionals whose work combines underwater activities with international business, the Black Bay GMT provides optimal combination of diving authenticity and travel sophistication that serves comprehensive adventure lifestyle requirements.

For any purchases online, we offer a 14 day refund as long as they are returned exactly as sold. Any purchases in person are final.

Unless explicitly stated, all product images and videos are of the timepiece advertised and no stock images are used. All images and videos on this webpage are copyright of MVS Watches and copying, downloading or using elsewhere without prior consent is strictly prohibited.

What our customers think of us

RELATED PRODUCTS