Black Bay One 36 M79640-0005
Black Bay One 36 M79640-0005
The used market price of Tudor Black Bay One 36 M79640-0005 in Korea is ₩4,330,000–₩4,850,000 (avg ₩4,660,000) based on recent sales. Based on VIVER sold prices.
36mm, Blue/diamond
Tudor
Tudor
A sophisticated combination of sunray blue dial and diamond indexes
Since its launch in 2012, The Tudor Black Bay collection has established itself as Tudor’s signature diver’s watch line, Combining vintage sensibility with modern technology. The collection has played a key role in establishing Tudor’s independent identity beyond the Rolex sub-brand image, And is highly popular worldwide for its simultaneous blend of tradition and innovation.
The Tudor Black Bay One 36 M79640-0005 features a 36mm stainless steel case with a curved polished and satin finish and a sunray blue dial set with eight diamonds. The blue dial shows different expressions depending on the light and, When combined with the steel bracelet, Conveys a sophisticated and modern feel.
The movement is the COSC-certified in-house automatic caliber MT5400, Offering a power reserve of approximately 70 hours and water resistance to 100 meters. The screw-down crown is engraved with the Tudor rose, And the flat sapphire crystal and five-link bracelet with T-fit folding clasp enhance the wearer’s comfort.
The Black Bay One 36 has gone one step further from the Black Bay’s signature tool watch sensibility through its 2023 renewal, Completing a sophisticated unisex style with a curved case, Colorful dial, And diamond indexes. This model, A modern reinterpretation of the 1950s diver watch design, Is evaluated as a sensational watch that harmonizes classic and modern.
- Release year
- 2023
- Dial color
- Blue
- Dial index
- Diamond setting, Bar
- Glass
- Sapphire crystal
- Case material
- Stainless steel
- Case diameter
- 36mm
- Case thickness
- 10.5mm
- Bracelet material
- Stainless steel
- Buckle type
- Folding clasp
- Bezel material
- Stainless steel
- Lug width
- 19mm
- Waterproof
- 100m
- Movement
- Self-winding
- Caliber
- Cal. MT5400
- Frequency
- 28, 800 vibrations
- Power reserve
- About 70 hours
Current market price (avg): ₩4,660,000 (₩4,330,000 ~ ₩4,850,000)
Official Retail Price vs Average Sold Price by Year| Year | Official retail price | Average sold price |
|---|
| 2026 | ₩7,640,000 | ₩4,800,000 |
| 2025 | ₩6,720,000 | ₩4,590,000 |
Official retail price is based on the first price increase of each year.

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Seller Reviews
- It was my first time trading second-hand items, But thanks to the kind guidance, The process went smoothly! I hope more brands are added in the future! 2026.05.08
- The diagnosis was completed in two days. Thank you. 2025.03.27
- Settlement is fast and accurate! I am satisfied. 2025.03.16