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Rolex Cosmograph Daytona vs Tudor Black Bay Chrono S&G

Ref. 116500LN vs Ref. M79363N-0001

The Rolex Cosmograph Daytona and Tudor Black Bay Chrono S&G represent one of the most compelling matchups in luxury watches — a sibling rivalry between two brands under the same parent company. With the Rolex Cosmograph Daytona priced at ~$31,000 (market value) and the Tudor Black Bay Chrono S&G at $7,300, the price gap raises a critical question: does the extra investment in the pricier option deliver proportional value? We break down the specs, market performance, and flip potential to help you decide.

Price Comparison

Rolex

Cosmograph Daytona

RetailDiscontinued
Market Avg$31,000
Market Range$27,000 $35,000
Premium+113.1%
Flip Score9/10 – Exceptional

Tudor

Black Bay Chrono S&G

Retail$7,300
Market Avg$6,935
Market Range$6,103 $7,767
Premium-5.0%
Flip Score3/10 – Moderate

The Rolex Cosmograph Daytona is priced at ~$31,000 (market value) while the Tudor Black Bay Chrono S&G comes in at $7,300. On the secondary market, the gap widens: the Rolex Cosmograph Daytona trades around $31,000 and the Tudor Black Bay Chrono S&G around $6,935, a difference of $24,065 favoring the Tudor Black Bay Chrono S&G. This watch trades at 113% above retail on the secondary market and is trending upward — a strong indicator of collector demand. The Tudor Black Bay Chrono S&G shows a more modest market premium of -5.0%, holding steady. For investors, the Rolex Cosmograph Daytona edges ahead with a flip potential score of 9/10 compared to 3/10.

Specifications

SpecificationRolex Cosmograph DaytonaTudor Black Bay Chrono S&G
Case Diameter40mm41mm
Case Thickness12.5mm14.4mm
Case MaterialOystersteelStainless steel and yellow gold
BezelCerachrom (ceramic) in black with tachymetric scaleFixed bezel with tachymeter scale in yellow gold
CrystalSapphireSapphire crystal
Water Resistance100m / 330ft200m / 660ft
MovementRolex calibre 4130Tudor Calibre MT5813
Movement TypeAutomaticAutomatic chronograph
Power Reserve72 hours70 hours
Bracelet/StrapOyster, three-piece solid linksStainless steel and yellow gold with riveted-style links
ClaspOysterlock safety clasp with Easylink 5mm comfort extensionFolding clasp with safety catch
Lug Width20mm22mm

Key specification differences stand out between these two: The Tudor Black Bay Chrono S&G leads in water resistance (200m / 660ft vs. 100m / 330ft), and the Rolex Cosmograph Daytona offers longer power reserve at 72 hours, and the Rolex Cosmograph Daytona uses Oystersteel while the Tudor Black Bay Chrono S&G opts for Stainless steel and yellow gold. With 8 notable spec differences in total, the choice depends on which features matter most to your use case.

Value Per Feature

Per millimeter of case diameter, the Rolex Cosmograph Daytona costs $775 versus $169 for the Tudor Black Bay Chrono S&G. For water resistance, the Tudor Black Bay Chrono S&G delivers better value per meter of depth rating. The Tudor Black Bay Chrono S&G offers more power reserve per dollar spent.

Which Should You Buy?

Choose the Rolex Cosmograph Daytona if you value a lower entry price, stronger flip potential, better value retention. Go with the Tudor Black Bay Chrono S&G if you prioritize timing functionality. For pure investment potential, the Rolex Cosmograph Daytona has the edge based on current market data.

Frequently Asked Questions

Which is more affordable, the Rolex Cosmograph Daytona or the Tudor Black Bay Chrono S&G?

The Tudor Black Bay Chrono S&G is more accessible, priced at $7,300 compared to ~$31,000 (market value).

Which watch is a better investment?

Based on current market data, the Rolex Cosmograph Daytona has a higher flip potential score of 9/10, suggesting stronger investment returns. However, watch values can fluctuate based on market conditions.

Which holds its value better on the secondary market?

The Rolex Cosmograph Daytona currently trades at 113.1% above retail, indicating strong value retention on the pre-owned market.

How do the Rolex Cosmograph Daytona and Tudor Black Bay Chrono S&G compare in size?

The Rolex Cosmograph Daytona measures 40mm in diameter and 12.5mm thick, while the Tudor Black Bay Chrono S&G is 41mm by 14.4mm. Water resistance differs too: 100m / 330ft versus 200m / 660ft.

What movements do these watches use?

The Rolex Cosmograph Daytona uses the Rolex calibre 4130 with 72 hours power reserve, while the Tudor Black Bay Chrono S&G runs on the Tudor Calibre MT5813 offering 70 hours of power reserve.

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