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Tudor Black Bay GMT vs Tudor Royal

Ref. M79830RB-0001 vs Ref. M28500-0003

The Tudor Black Bay GMT and Tudor Royal both carry the Tudor name but serve different purposes — the Tudor Black Bay GMT as a gmt / travel watch and the Tudor Royal as a everyday watch. At $4,600 and $2,800 respectively, the question isn't which is better — it's which better fits your collection and investment goals.

Price Comparison

Tudor

Black Bay GMT

Retail$4,600
Market Avg$3,800
Market Range$3,500 $4,100
Premium-17.4%
Flip Score2/10 – Below Average

Tudor

Royal

Retail$2,800
Market Avg$2,500
Market Range$2,200 $2,800
Premium-10.7%
Flip Score2/10 – Below Average

At retail, the Tudor Black Bay GMT is listed at $4,600 while the Tudor Royal comes in at $2,800. At $1,800 less (64% savings), the Tudor Royal offers a substantially lower entry point. On the secondary market, the gap narrows: the Tudor Black Bay GMT trades around $3,800 and the Tudor Royal around $2,500, a difference of $1,300 favoring the Tudor Royal. Available at 17% below retail and trending downward, this represents a buying opportunity for those comfortable with the current market position. The Tudor Royal commands an even stronger market premium of -10.7%, though currently trending downward. Both watches score equally on flip potential at 2/10, making neither a clear investment winner over the other.

Specifications

SpecificationTudor Black Bay GMTTudor Royal
Case Diameter41mm41mm
Case Thickness14.8mm11mm
Case MaterialStainless steelStainless steel
BezelBidirectional rotating bezel with anodized aluminium insert in burgundy and blueStainless steel with knurled edge
CrystalSapphire crystalSapphire crystal
Water Resistance200m / 660ft100m / 330ft
MovementTudor Calibre MT5652Tudor Calibre T601
Movement TypeAutomaticAutomatic
Power Reserve70 hours38 hours
Bracelet/StrapStainless steel with riveted-style linksStainless steel integrated bracelet
ClaspFolding clasp with safety catchFolding clasp with safety catch
Lug Width22mmIntegrated bracelet

Key specification differences stand out between these two: The Tudor Black Bay GMT leads in water resistance (200m / 660ft vs. 100m / 330ft), and the Tudor Black Bay GMT offers longer power reserve at 70 hours. With 5 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 Tudor Black Bay GMT costs $93 versus $61 for the Tudor Royal. For water resistance, the Tudor Black Bay GMT delivers better value per meter of depth rating. The Tudor Black Bay GMT offers more power reserve per dollar spent.

Which Should You Buy?

Choose the Tudor Black Bay GMT if you value the Tudor heritage. Go with the Tudor Royal if you prioritize a lower entry price, better value retention.

Frequently Asked Questions

Which is more affordable, the Tudor Black Bay GMT or the Tudor Royal?

The Tudor Royal is more accessible, priced at $2,800 compared to $4,600.

Which holds its value better on the secondary market?

The Tudor Royal currently trades at 10.7% below retail, indicating moderate value retention on the pre-owned market.

How do the Tudor Black Bay GMT and Tudor Royal compare in size?

The Tudor Black Bay GMT measures 41mm in diameter and 14.8mm thick, while the Tudor Royal is 41mm by 11mm. Water resistance differs too: 200m / 660ft versus 100m / 330ft.

What movements do these watches use?

The Tudor Black Bay GMT uses the Tudor Calibre MT5652 with 70 hours power reserve, while the Tudor Royal runs on the Tudor Calibre T601 offering 38 hours of power reserve.

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