Genco Timepieces “Elegance in Every Second”
TUDOR Black Bay 58 GMT
Black & Burgundy Bezel | 39mm Stainless Steel
Reference 7939G1A0NRU
The TUDOR Black Bay 58 GMT Ref. 7939G1A0NRU combines the celebrated vintage-inspired proportions of the Black Bay 58 with a sophisticated integrated GMT complication. Featuring a compact 39mm stainless-steel case, distinctive black and burgundy 24-hour bezel, gilt-accented black dial, and TUDOR’s advanced Manufacture Calibre MT5450-U, this model delivers the character of a classic travel watch with modern Master Chronometer performance.
Designed for collectors who appreciate traditional proportions without sacrificing functionality, the Black Bay 58 GMT offers the ability to track multiple time zones while maintaining the balanced, highly wearable profile for which the Black Bay 58 collection has become known.
39mm Stainless-Steel Case
The watch is housed in a beautifully proportioned 39mm stainless-steel case featuring a combination of polished and satin-brushed finishes. At approximately 12.8mm thick, the case maintains a relatively streamlined profile despite incorporating a fully integrated GMT movement.
The 20mm lug width contributes to its classic proportions, while the screw-down stainless-steel winding crown features the traditional TUDOR rose in relief.
A domed sapphire crystal completes the vintage-inspired appearance while providing the scratch resistance expected from a contemporary luxury sports watch.
Black & Burgundy GMT Bezel
One of the defining characteristics of the Black Bay 58 GMT is its bidirectional rotating 24-hour bezel.
Constructed from stainless steel, the bezel incorporates a black and burgundy anodized aluminum insert. The two-tone configuration provides a visual distinction between portions of the 24-hour scale while giving the watch a warm vintage character.
Used together with the dedicated 24-hour GMT hand, the rotating bezel allows the wearer to monitor additional time zones—making the Black Bay 58 GMT an especially capable companion for frequent travelers.
Domed Black Dial With Gilt Details
The domed black dial continues the vintage aesthetic with warm gilt applied hour markers and contrasting hands designed for excellent legibility.
TUDOR’s signature Snowflake hour hand immediately identifies the watch as part of the Black Bay family, while the dedicated GMT hand works with the 24-hour bezel to display reference time.
A practical instantaneous date display at 3 o’clock is synchronized with the independently adjustable local-hour hand. This allows the wearer to change local time when traveling without disturbing the reference time.
The combination of black, burgundy and gilt creates a sophisticated color palette that gives the watch a distinctive appearance while remaining versatile enough for everyday wear.
Manufacture Calibre MT5450-U
At the heart of the Black Bay 58 GMT is TUDOR’s Manufacture Calibre MT5450-U, a self-winding mechanical movement developed specifically to provide an integrated GMT function in compact proportions.
The movement features a bidirectional rotor winding system and operates at 28,800 vibrations per hour (4 Hz). It incorporates 34 jewels and an anti-magnetic silicon balance spring.
The local hour hand can be adjusted independently in one-hour increments, an especially useful feature when crossing time zones. The date is synchronized with the jumping local-hour hand, while a stop-seconds function allows precise time setting.
COSC & METAS Master Chronometer Certified
The MT5450-U is both COSC-certified and METAS Master Chronometer certified, placing the Black Bay 58 GMT among TUDOR’s technically advanced modern watches.
METAS certification evaluates more than basic movement accuracy, testing the completed watch for precision, resistance to magnetic fields, water resistance and power-reserve performance.
The result is a GMT designed to combine traditional mechanical watchmaking with demanding contemporary standards for accuracy and reliability.
65-Hour Power Reserve
The MT5450-U delivers approximately 65 hours of power reserve.
This extended reserve allows the watch to be removed for more than two days and still continue running, making it especially convenient for owners who rotate between multiple watches.
200-Meter Water Resistance
Despite its refined proportions and travel-oriented GMT complication, the Black Bay 58 GMT retains the robust construction associated with TUDOR’s professional sports watches.
The screw-down crown and durable stainless-steel case provide water resistance to 200 meters / 660 feet, giving the watch genuine sports-watch capability for everyday wear, travel and recreational water activities.
Bracelet & TUDOR T-fit Clasp
Depending on the specific configuration, the Black Bay 58 GMT is offered with a stainless-steel bracelet or rubber strap. Stainless-steel configurations feature polished and satin-brushed finishing and TUDOR’s T-fit rapid-adjustment clasp system.
The T-fit system allows convenient adjustment of the bracelet without requiring tools, making it easy to fine-tune the fit as wrist size changes throughout the day.
Specifications
- Brand: TUDOR
- Collection: Black Bay 58
- Model: Black Bay 58 GMT
- Reference: 7939G1A0NRU
- Case Material: Stainless Steel
- Case Diameter: 39mm
- Case Thickness: 12.8mm
- Lug Width: 20mm
- Case Finish: Polished & Satin-Brushed
- Dial: Black, Domed
- Hour Markers: Gilt Applied Hour Markers
- Bezel: Bidirectional Rotating 24-Hour GMT Bezel
- Bezel Material: Stainless Steel
- Bezel Insert: Black & Burgundy Anodized Aluminum
- Crystal: Domed Sapphire Crystal
- Crown: Screw-Down Stainless Steel Crown
- Movement: Mechanical Automatic
- Calibre: TUDOR Manufacture MT5450-U
- GMT: Integrated GMT Function
- Jewels: 34
- Frequency: 28,800 vph / 4 Hz
- Power Reserve: Approximately 65 Hours
- Certification: COSC & METAS Master Chronometer
- Balance Spring: Anti-Magnetic Silicon
- Functions: Hours, Minutes, Central Seconds, 24-Hour GMT, Date & Stop Seconds
- Date: Instantaneous Date at 3 o’clock
- Local Hour: Independently Adjustable Jumping Hour Hand
- Water Resistance: 200 Meters / 660 Feet
- Clasp: TUDOR T-fit on applicable factory bracelet/strap configuration
- Warranty: Five-Year Transferable TUDOR Guarantee
A Modern GMT With Vintage TUDOR Character
The TUDOR Black Bay 58 GMT Ref. 7939G1A0NRU successfully brings true travel-watch functionality to the compact dimensions that have made the Black Bay 58 one of TUDOR’s most recognizable modern collections.
Its combination of a 39mm steel case, black and burgundy GMT bezel, gilt-accented black dial, integrated Manufacture MT5450-U movement, 65-hour power reserve, 200-meter water resistance, and dual COSC/METAS certification makes it equally suited to international travel and everyday wear.
With unmistakable Black Bay styling and one of TUDOR’s most technically accomplished compact movements, the Black Bay 58 GMT offers an exceptional balance of heritage-inspired design, practical functionality, modern precision and versatile wrist presence.
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