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Omega Seamaster Planet Ocean 600M vs Tudor Black Bay Pro

Ref. 215.30.44.21.03.001 vs Ref. M79470-0001

The Omega Seamaster Planet Ocean 600M (dive watch) and Tudor Black Bay Pro (gmt / travel watch) represent different approaches to luxury watchmaking. While the Omega Seamaster Planet Ocean 600M is priced at $7,300 and the Tudor Black Bay Pro at $4,475, both offer compelling value propositions. This comparison examines their specifications, market positioning, and investment potential side by side.

Price Comparison

Omega

Seamaster Planet Ocean 600M

Retail$7,300
Market Avg$5,840
Market Range$5,139 $6,541
Premium-20.0%
Flip Score2/10 – Below Average

Tudor

Black Bay Pro

Retail$4,475
Market Avg$4,028
Market Range$3,545 $4,511
Premium-10.0%
Flip Score2/10 – Below Average

At retail, the Omega Seamaster Planet Ocean 600M is listed at $7,300 while the Tudor Black Bay Pro comes in at $4,475. At $2,825 less (63% savings), the Tudor Black Bay Pro offers a substantially lower entry point. On the secondary market, the gap narrows: the Omega Seamaster Planet Ocean 600M trades around $5,840 and the Tudor Black Bay Pro around $4,028, a difference of $1,812 favoring the Tudor Black Bay Pro. Available at 20% below retail and trending downward, this represents a buying opportunity for those comfortable with the current market position. The Tudor Black Bay Pro commands an even stronger market premium of -10.0%, holding steady. Both watches score equally on flip potential at 2/10, making neither a clear investment winner over the other.

Specifications

SpecificationOmega Seamaster Planet Ocean 600MTudor Black Bay Pro
Case Diameter43.5mm39mm
Case Thickness14.41mm12.3mm
Case MaterialStainless steelStainless steel
BezelBlue ceramic unidirectional rotating bezel with diving scaleFixed bezel with 24-hour graduated scale in black
CrystalDomed sapphire crystal with anti-reflective treatmentSapphire crystal
Water Resistance600m / 2000ft200m / 660ft
MovementOmega Co-Axial Master Chronometer calibre 8900Tudor Calibre MT5652
Movement TypeAutomaticAutomatic
Power Reserve55 hours70 hours
Bracelet/StrapStainless steel braceletStainless steel with riveted-style links
ClaspFolding clasp with diver extensionFolding clasp with safety catch and micro-adjustment
Lug Width21mm20mm

Key specification differences stand out between these two: The Omega Seamaster Planet Ocean 600M leads in water resistance (600m / 2000ft vs. 200m / 660ft), and the Tudor Black Bay Pro offers longer power reserve at 70 hours. With 7 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 Omega Seamaster Planet Ocean 600M costs $134 versus $103 for the Tudor Black Bay Pro. For water resistance, the Omega Seamaster Planet Ocean 600M delivers better value per meter of depth rating. The Tudor Black Bay Pro offers more power reserve per dollar spent.

Which Should You Buy?

Choose the Omega Seamaster Planet Ocean 600M if you value serious diving capabilities. Go with the Tudor Black Bay Pro if you prioritize a lower entry price, better value retention.

Frequently Asked Questions

Which is more affordable, the Omega Seamaster Planet Ocean 600M or the Tudor Black Bay Pro?

The Tudor Black Bay Pro is more accessible, priced at $4,475 compared to $7,300.

Which holds its value better on the secondary market?

The Tudor Black Bay Pro currently trades at 10.0% below retail, indicating moderate value retention on the pre-owned market.

How do the Omega Seamaster Planet Ocean 600M and Tudor Black Bay Pro compare in size?

The Omega Seamaster Planet Ocean 600M measures 43.5mm in diameter and 14.41mm thick, while the Tudor Black Bay Pro is 39mm by 12.3mm. Water resistance differs too: 600m / 2000ft versus 200m / 660ft.

What movements do these watches use?

The Omega Seamaster Planet Ocean 600M uses the Omega Co-Axial Master Chronometer calibre 8900 with 55 hours power reserve, while the Tudor Black Bay Pro runs on the Tudor Calibre MT5652 offering 70 hours of power reserve.

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