Zoom Media Gallery
The TUDOR Black Bay GMT is a stainless steel wristwatch featuring a black dial, date display, and blue-red bezel on a metal bracelet—an eye-catching model inspired by classic diving watches.
The TUDOR Black Bay GMT is a stainless steel wristwatch with a red and blue bezel, black dial, and metal bracelet displayed on a red surface.
A TUDOR Black Bay GMT wristwatch with a stainless steel bracelet, black dial, and red-blue bezel is shown on a textured black and metallic surface.
A TUDOR Black Bay GMT wristwatch in stainless steel with black dial, red and blue bezel, and metal bracelet, viewed from the front left—an iconic model inspired by classic diving watches.
The TUDOR Black Bay GMT wristwatch features a stainless steel band, black dial, and a red and blue 24-hour bezel—an iconic choice for fans of classic diving watches.
Close-up of a TUDOR Black Bay GMT stainless steel bracelet clasp, highlighting its brushed finish and adjustable links—a signature feature of TUDOR’s celebrated diving watches.
A TUDOR Black Bay GMT wristwatch with a black dial and red-blue bezel is worn on a person’s left wrist, paired with a dark long-sleeve shirt—a classic choice for diving watch enthusiasts.
The TUDOR Black Bay GMT wristwatch features a stainless steel band, black dial, date window, and a distinctive red and blue 24-hour bezel inspired by classic diving watches.
The TUDOR Black Bay GMT is a stainless steel wristwatch featuring a black dial, date display, and blue-red bezel on a metal bracelet—an eye-catching model inspired by classic diving watches.
The TUDOR Black Bay GMT is a stainless steel wristwatch with a red and blue bezel, black dial, and metal bracelet displayed on a red surface.
A TUDOR Black Bay GMT wristwatch with a stainless steel bracelet, black dial, and red-blue bezel is shown on a textured black and metallic surface.
A TUDOR Black Bay GMT wristwatch in stainless steel with black dial, red and blue bezel, and metal bracelet, viewed from the front left—an iconic model inspired by classic diving watches.
The TUDOR Black Bay GMT wristwatch features a stainless steel band, black dial, and a red and blue 24-hour bezel—an iconic choice for fans of classic diving watches.
Close-up of a TUDOR Black Bay GMT stainless steel bracelet clasp, highlighting its brushed finish and adjustable links—a signature feature of TUDOR’s celebrated diving watches.
A TUDOR Black Bay GMT wristwatch with a black dial and red-blue bezel is worn on a person’s left wrist, paired with a dark long-sleeve shirt—a classic choice for diving watch enthusiasts.
The TUDOR Black Bay GMT wristwatch features a stainless steel band, black dial, date window, and a distinctive red and blue 24-hour bezel inspired by classic diving watches.
The TUDOR Black Bay GMT is a stainless steel wristwatch featuring a black dial, date display, and blue-red bezel on a metal bracelet—an eye-catching model inspired by classic diving watches.
The TUDOR Black Bay GMT is a stainless steel wristwatch with a red and blue bezel, black dial, and metal bracelet displayed on a red surface.
A TUDOR Black Bay GMT wristwatch with a stainless steel bracelet, black dial, and red-blue bezel is shown on a textured black and metallic surface.
A TUDOR Black Bay GMT wristwatch in stainless steel with black dial, red and blue bezel, and metal bracelet, viewed from the front left—an iconic model inspired by classic diving watches.
The TUDOR Black Bay GMT wristwatch features a stainless steel band, black dial, and a red and blue 24-hour bezel—an iconic choice for fans of classic diving watches.
Close-up of a TUDOR Black Bay GMT stainless steel bracelet clasp, highlighting its brushed finish and adjustable links—a signature feature of TUDOR’s celebrated diving watches.
A TUDOR Black Bay GMT wristwatch with a black dial and red-blue bezel is worn on a person’s left wrist, paired with a dark long-sleeve shirt—a classic choice for diving watch enthusiasts.

TUDOR Black Bay GMT

M79830RB-0001 41 mm
View Specs
Regular price $4,675
Starting at /mo or 0% APR with Affirm .
Authorized Luxury Retailer
Rolex green flag outside the Watches of Switzerland store with cream columns and large windows.

Renowned for expertise in luxury watch retail, Watches of Switzerland embodies the highest standards of craftsmanship and service. With a history dating back to the 1700s, the company offers a curated selection of premier timepieces and commits to excellence in customer experience grounded in a legacy of trust and industry proficiency.

Authorized Luxury Retailer

Authorized Luxury Retailer

We are an authorized retailer for over 80 luxury watch brands.
Free Expedited Delivery
Cartier watch box close up

Free Expedited Delivery on Orders $100 and Up (Estimated 1-3 Days)

Our secure shipping service operates Monday through Saturday, from 8:00 a.m. to 6:00 p.m. For security reasons, an adult signature is required for every delivery. Watches of Switzerland does not deliver to P.O. boxes or third-party forwarding services. For more information about delivery, click here. Tracking information will be made available upon shipping.

$15 Flat Fee on Orders Under $100 (Estimated 1 - 2 weeks)

Monday through Saturday, from 8:00 a.m. to 6:00 p.m. For more information about delivery, click here. Tracking information will be made available upon shipping.

If you have any questions or concerns regarding your order, please contact the Watches of Switzerland Client Services

Free Expedited Delivery

Free Expedited Delivery

We offer free, expedited delivery on all orders over $100.
Simple Easy Returns
customer service woman helping customer

Our commitment to you does not end at delivery. We offer the following return services to make your experience as pleasant as possible.

10-Day Returns For Timepieces:

Timepieces purchased online can be returned or exchanged within 10 days from when they are shipped or collected.

30-Day Returns For All Other Purchases:

All other online purchases can be returned or exchanged within 30 days from when they are shipped or collected.

On presentation of the original receipt, your purchases may be returned or exchanged at any of our store locations. Alternatively, you may elect shipping to our facility with all the original paperwork. All refunds must be credited to the same tender used for the original purchase. To return the online purchases through secure shipping service, please contact our client service team who will provide you the shipping label.

All returns or exchanges must be in new, unworn condition, with no scratches or markings, not sized or adjusted and in their original packaging and with warranty cards / certificated and instruction booklets.

Simple Easy Returns

Simple Easy Returns

Purchase with confidence with our simple, free return policy.

Details

The iconic Tudor Heritage Black Bay collection reflects the brand’s rich history in producing world class diving watches that are fully equipped to meet the needs of timekeeping beneath the waves. This Black Bay GMT model sports a distinctive blue and burgundy bezel around its durable 41mm steel case. Driven by self-winding mechanical movement with a bidirectional rotor system, this outstanding watch provides a power reserve of approximately 70 hours and is waterproof to 200 meters. Set beneath a domed sapphire crystal lens, the bold black dial features a date window at 3 o’clock, signature snowflake hands and unique contrasting hour markers. Complete with a riveted steel bracelet that fastens to the wrist with a folding clasp and safety catch, this time instrument is perfect for diving with style and ease. Discover the full Tudor collection .

General

Condition

New

Brand

TUDOR

Reference

M79830RB-0001

Product Code

17770572

Power Reserve

70 Hours Approx

Features

Deployment clasp
Automatic movement
Waterproof

Case

Case Size

41 mm

Case Depth

14.5 mm

Case Shape

Round

Case Material

Steel

Bezel Material

Aluminium

Bezel Color

Multi

Crystal

Sapphire

Dial

Dial Color

Black

Dial Texture

Plain

Dial Markers

Dots and Batons

Stone Set

No

Movement

Type

Auto

In-house Movement

Yes

Bracelet

Type

Bracelet

Stone Set

No

Buckle

Deployment