Median recorded eBay sale price for each quarter with 3 or more sales. Dashed line marks the 2026 retail price.
Investment scorecard
Momentum49Measured price direction: the median recorded sale of the last 4 months against the median of 8 to 12 months ago. 50 means flat; small samples are pulled toward 50.
Liquidity64How easily it sells: recorded sales in the last 12 months (300 or more scores 100) and eBay's 90-day sell-through rate.
Scarcity28Demand against supply. For modern pieces, how far the market sits above or below current retail, plus a lift if production has ended. For vintage, how rarely one comes up for sale.
Value entry35Where the latest quarter's median sale sits inside its own 3-year range. Buying near the low scores high; buying at the high scores low.
Condition safety85How safe a typical example is: the age of the design, plus how tightly sale prices cluster (a wide spread means condition and originality swing the price).
The story
Tudor lists the Black Bay 58 925 reference 79010SG at $5,600 in the US (tudorwatch.com, November 2026).
37 recorded eBay sales in the last 12 months, with a typical sale of $3,350.
Our verdict: Sells for about 40% under its $5,600 boutique price. 37 recorded eBay sales in the last 12 months, with prices flat over the year.
How much is a Tudor Black Bay 58 925 79010SG worth?
Recorded eBay sales from the last 12 months put the typical Tudor Black Bay 58 925 79010SG at $3,350, with the middle half selling between $3,200 and $3,760 (36 sales). Condition, box and papers move the price within that range.
Does the Tudor Black Bay 58 925 79010SG sell above retail?
No. The typical sale of $3,350 is about 40% below the $5,600 retail price.
Is the Tudor Black Bay 58 925 79010SG a good investment?
The Crown Index grades it B- (72/100) from real resale data, and today's call is hold. Solid resale, with limited room to grow from today's price. Past prices are not a forecast.