Pre-Owned TUDOR Black Bay S&G 36mm Case, Black Diamond Dial, Steel & Yellow Gold Strap (M79643-0006)
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Tudor Black Bay 36 S&G Wristwatch – 36mm Steel & 18K Yellow Gold
(Model M79643-0006 / 51UQ461)
Refined, versatile, and crafted with Tudor’s signature blend of durability and luxury, the Black Bay 36 S&G brings together the strength of stainless steel with the warmth of 18k yellow gold. Its sleek proportions, diamond-set dial, and COSC-certified movement make it an exceptional everyday timepiece with elevated style.
The watch features a 36mm stainless steel case with polished and satin finishes, paired with the Calibre MT5400—a COSC-certified, self-winding mechanical movement equipped with a bidirectional rotor system for precision and reliability. A fixed bezel crafted in steel and covered with a 0.03 mm layer of 18k yellow gold adds understated luxury.
A black dial with diamond hour markers provides brilliant contrast and timeless elegance, protected by a flat sapphire crystal. The watch is waterproof to 100 meters, making it ideal for daily wear.
The S&G bracelet features solid yellow gold center links at 6 and 12 o’clock, with the remaining center links crafted in steel and covered by a 0.2 mm 18k yellow gold cap. Tudor’s T-fit folding clasp with safety catch ensures both comfort and security, with the clasp logo rendered in yellow gold for a refined finishing touch.
This piece includes its Tudor box and warranty card, and remains under Tudor factory warranty.
Available exclusively at Springer’s Jewelers—New England’s trusted jeweler since 1870—with locations in Portland, ME; Bath, ME, and tax-free Portsmouth, NH.
Key Features:
Brand: Tudor
Model: Black Bay 36 S&G
Reference: M79643-0006 / 51UQ461
Case: 36mm stainless steel, polished and satin finish
Movement: Calibre MT5400, COSC-certified, self-winding with bidirectional rotor
Bezel: Steel with 0.03 mm 18k yellow gold cap
Dial: Black with diamond hour markers
Crystal: Flat sapphire
Water Resistance: Up to 100m
Bracelet: Steel and yellow gold, gold center links at 6 and 12 o’clock; remaining links capped with 0.2 mm 18k gold
Clasp: T-fit folding clasp with safety catch
Warranty: Tudor factory warranty
Includes: Tudor box and warranty card
Elegant, durable, and crafted with exceptional attention to detail, the Tudor Black Bay 36 S&G is the perfect fusion of luxury and everyday versatility.
SKU: ETUDOR0032
Springer's Jewelers offers free shipping for all full-priced items! Buying something on sale? Your shipping costs will be calculated at checkout.
Springer's offers free returns within 30 days of your purchase. Simply reply to any order notification, and you will be emailed a USPS prepaid shipping label for your convenience. Upon inspection of the returned merchandise, your refund will be credited back to you, minus any outgoing shipping fees. You may also wish to return or exchange your merchandise to any of our retail locations. Exchanges and store credit are available within 60 days of purchase.
Free 30 Days Returns, 60 Days for Store Credit
Free shipping on all full-priced orders
TUDOR
TUDOR is a Swiss-made watch brand, offering mechanical watches with sophisticated style and proven reliability. The origins of TUDOR date back to 1926, when ‘The TUDOR’ was first registered as a brand on behalf of Rolex founder, Hans Wilsdorf. Throughout their history, TUDOR watches have been chosen by the boldest adventurers and seasoned professionals alike.
Featured Tudor Collections
A Technical and Aesthetic Evolution
Black Bay
The Black Bay line is the result of the subtle blend of traditional aesthetics and contemporary watchmaking. It brings together over 60 years of TUDOR divers’ watches at the same time as being resolutely anchored
in the present. Neo-vintage in conception, its manufacturing techniques, reliability, robustness and the quality of its finish are consistent with today’s more rigorous requirements.
The Ultimate Divers' Watch
Pelagos
A magnificent example of a tool watch and symbol of adventure, the Pelagos is one of the most complete traditional mechanical divers’ watches available today. Waterproof to 500 m (1,640 ft), it is available in both left- and right-handed versions. In addition to its original matte black version, this model is also available in matt blue, the emblematic color of the brand’s divers’ watches since the 1960s.
The Spirit of Early Fine-Watchmaking
1926
TUDOR pays tribute to its origins and watchmaking traditions with its 1926 line, a range of mechanical watches that are timeless, classic and elegant. Available in four sizes with a wide choice of dials, the 1926 line is named after the year when “The TUDOR” was registered as a brand on behalf of Rolex founder Hans Wilsdorf.
The Epitome of Versatility & Affordability
Royal
Royal is a name first used by TUDOR in the 1950s to
The TUDOR Royal range is part of this heritage in that it offers automatic sport-chic watches with integrated bracelets that are as affordable as they are uncompromising. Cutting-edge technical performance and refined aesthetic are characteristic of this range, which sits at the crossroads between classic and sports watches and comes in stainless steel or stainless steel and gold and is offered in 4 sizes with 9 possible dials.
TUDOR Frequently Asked Questions
Can I special order a TUDOR Watch?
As an Authorized TUDOR Jeweler, Springer's Jewelers is able to special order certain TUDOR models for our clients. Chat us, or schedule an appointment to come in and speak to one of our Watch Experts to learn more.
What is the warranty on my TUDOR purchase?
Every TUDOR is subjected to a set of stringent tests to ensure precision and reliability. TUDOR is confident its watches perform to the highest standard, that’s why TUDOR has been able to set a new standard in watchmaking: all TUDOR watches sold since 2020 carry a five-year international guarantee.
Do you carry additional TUDOR models in your stores?
Yes! We highly recommend coming into either our Portland or Portsmouth location to view our full Tudor Collection and speak with a Tudor Watch Expert.
With hundreds of watch stores online, why shop at Springer's Jewelers?
With complimentary shipping, returns, and insurance cost documentation, Springer’s Jewelers provides high quality fine jewelry to thousands of New England patrons and visitors. Since 1870, Springer’s Jewelers has celebrated their clientele’s most important life moments. We are Maine’s oldest operating jewelry store and are one of the oldest fine jewelers in the United States.
Where Can I Buy TUDOR Watches?
Portland, Maine
580 Congress Street
Portland, ME 04101
Portsmouth, New Hampshire
100 Market Street
Portsmouth, NH 03801
TUDOR Shipping for Online Orders
Fast shipping
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About Springer's Jewelers
Celebrating Over 150 Years
Springer's is Maine’s oldest operating jewelry store and is one of the oldest fine jewelers in the United States. Springer’s has remained a family-owned business for four generations - meet owners Lilly and Zoe above.
Celebrating Special Moments
Since 1870, Springer’s Jewelers has celebrated their clientele’s most important life moments. From birthdays to anniversaries, graduations, and everything in-between, let Springer's celebrate with you.
Celebrating Yourself
As a women-run company, we can't help but ask, Why are we waiting for someone else to buy us jewelry? We are strong, independent women and we want to empower other women to celebrate themselves with a jewelry self-purchase.
