Tudor Black Bay 41mm
Offered by Echelon Collective: this 2021 Tudor Black Bay, reference 79230B. A 41mm stainless steel automatic dive watch powered by the Tudor Calibre MT5602 in-house movement with a 70-hour power reserve. Features a black dial with luminous snowflake hands and hour markers, a unidirectional rotating blue aluminum bezel, domed sapphire crystal, blue leather strap with Tudor folding clasp, and water resistance to 200 metres / 660 feet.
Who We Are
Echelon Collective is a U.S.-based luxury watch and asset brokerage focused on authenticity, transparency, precision, and discretion. Every watch is physically in our possession, inspected before listing, and photographed individually — we never use stock images.
Authenticity Guarantee
This watch is 100% guaranteed authentic. It is physically in Echelon Collective's possession and was inspected before listing. No aftermarket parts have been disclosed unless specifically stated.
Condition / Full Transparency
We describe our watches conservatively and transparently. No cosmetic flaws are intentionally hidden.
Case: Good condition with light hairline scratches and normal signs of wear.
Bezel: Excellent condition.
Crystal: Very good condition with minimal signs of wear, consistent with careful ownership.
Strap/Clasp: Blue leather strap in very good condition. Tudor folding clasp in very good condition.
Caseback: Very good condition with minimal signs of wear.
Timekeeping: Timekeeping details are available upon request if tested.
No service history is included unless otherwise stated.
What's Included
Watch
Inner Tudor box
Outer Tudor box
Tudor warranty card dated February 2, 2021
Manuals/booklets
Hangtag
Accessories shown in listing photos
If not listed here, it is not included.
1-Year Echelon Collective Mechanical Warranty
This watch includes a 1-year Echelon Collective mechanical warranty covering the proper mechanical operation of the movement under normal use. Service and parts support are available upon request.
24-Hour No-Questions-Asked Return Policy
You have 24 hours from confirmed delivery to inspect the watch and request a return for any reason. The watch and all supplied items must be returned in the same condition received.
Shipping
The watch ships fully insured with signature required from Melbourne, Florida. Professional packaging is used and overnight shipping is available. Tracking is provided after dispatch.
Why Buy From Echelon Collective
100% authenticity guarantee
Watch is in hand and inspected
Real photos of the exact watch; no stock images
Transparent condition disclosure
1-year mechanical warranty
24-hour inspection / return period
Fully insured shipping
References available
