ZF Factory Tudor Black Bay GMT S&G M79833MN Watch
The ZF Factory Tudor Black Bay GMT S&G M79833MN-0001 combines the recognizable Black Bay GMT design with a warm black-and-brown color scheme and two-tone construction.
Its 41mm case, 24-hour rotating bezel and GMT display allow the wearer to monitor multiple time zones, while the rivet-style bracelet adds a vintage-inspired finish suitable for travel, business and everyday wear.
Two-Tone Case Design
The watch features a stainless steel and yellow-gold-tone construction that adds warmth to the classic Black Bay profile without creating an overly bright appearance.
Brushed and polished surfaces provide contrast across the case, while the gold-tone screw-down crown is decorated with a raised Tudor rose-style emblem.
This combination gives the watch a more formal appearance while preserving its sport-watch character.
41mm Case
The case measures approximately 41mm in diameter, providing a balanced wrist presence for a wide range of wrist sizes.
The proportions retain the robust appearance associated with the Black Bay GMT collection while remaining suitable for regular daily use.
Black and Brown 24-Hour Bezel
The bidirectional rotating bezel features a black-and-brown anodized aluminum insert with gold-tone numerals and markings.
The brown half represents the daytime portion of the 24-hour scale, while the black half represents nighttime hours. This color combination is commonly referred to as the Root Beer bezel because of its resemblance to the tones associated with root beer drinks.
The bezel can be used together with the GMT hand to display an additional time zone.
Three-Time-Zone Display
The watch can be used to monitor up to three time zones.
The standard snowflake-style hour hand displays local time and can be adjusted separately when changing time zones.
A longer GMT hand completes one full rotation every 24 hours and indicates the reference or home time against the 24-hour scale.
A third time zone can be read by rotating the bidirectional 24-hour bezel to the required offset.
Snowflake Hands and Clear Dial Layout
The dial retains the recognizable Black Bay layout with applied hour markers and signature snowflake-style hands.
The contrasting hands, markers and 24-hour scale help separate local time from GMT information, making the display easier to read while traveling.
Luminous material on the hands and hour markers improves visibility in darker environments.
Gold-Tone Screw-Down Crown
The screw-down crown features a warm gold-tone finish and a raised rose-style emblem.
Its grooved surface is designed to provide a secure grip when winding the watch or adjusting the local time, GMT hand and date.
Rivet-Style Two-Tone Bracelet
The bracelet combines stainless steel with gold-tone center details and is inspired by folded rivet bracelets used on sports watches during the 1950s and 1960s.
Decorative rivet heads appear along the outer links, creating a distinctive stepped profile. Solid links provide a more substantial feel while preserving the vintage-style appearance.
Automatic GMT Function
The watch uses an automatic mechanical configuration with standard time, date and GMT functions.
The local hour hand is designed for independent adjustment, allowing the wearer to change local time without disrupting the reference time displayed by the GMT hand.
The exact crown positions and adjustment sequence should be confirmed during QC before shipment.
Product Specifications
Item Specification
Factory ZF Factory
Model Tudor Black Bay GMT S&G
Reference M79833MN-0001
Case Size 41mm
Case Style Stainless Steel and Yellow-Gold-Tone
Bezel Bidirectional Black and Brown 24-Hour Bezel
Bezel Insert Anodized Aluminum
Functions Hours, Minutes, Seconds, Date and GMT
Time Zones Up to Three
GMT Hand Long 24-Hour Hand
Local Hour Hand Independently Adjustable
Crown Gold-Tone Screw-Down Crown
Bracelet Two-Tone Rivet-Style Bracelet
Bracelet Links Solid Links
Ordering Information
Availability and movement configurations may vary between production batches.
Please contact us to confirm current stock and the exact movement configuration before placing your order.
Wearing and Care Advice
Clean the case and bracelet regularly with a soft microfiber cloth to remove fingerprints, sweat and dust.
Avoid strong impacts, abrasive surfaces, magnetic fields and harsh cleaning products that may affect the case finish or movement performance.
When adjusting the GMT hand, local hour hand or date, operate the crown gently and follow the correct sequence. Stop immediately if unusual resistance is felt.
Professional water-resistance testing is recommended before swimming or prolonged exposure to water.
Frequently Asked Questions
What is the case size?
The watch features an approximately 41mm case.
What does the Root Beer bezel refer to?
It refers to the black-and-brown 24-hour bezel, whose color combination resembles the tones commonly associated with root beer.
How many time zones can the watch display?
The watch can display up to three time zones using the local hour hand, GMT hand and rotating 24-hour bezel.
Can the local hour hand be adjusted independently?
Yes. The local snowflake-style hour hand is designed for independent adjustment when changing time zones.
What type of bracelet is included?
The watch comes with a two-tone rivet-style bracelet featuring solid links and vintage-inspired side details.
Should availability be confirmed before ordering?
Yes. Stock and movement configurations can vary, so availability should be confirmed before placing an order.
Please identify the merchant when purchasing to prevent buying counterfeit ZF Factory products.
We specialize in offering high-quality replica watches, perfectly combining exquisite craftsmanship with reasonable prices. All products are photographed in real life to ensure accurate and reliable descriptions, helping you make confident and informed purchasing decisions. Please note that watches do not come with the original brand boxes; if needed, they can be purchased separately.
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