Your trusted source for luxury watch market intelligence
Watch Radar
VS

Omega Seamaster Diver 300M Nekton Edition vs Tudor Black Bay 58 S&G

Ref. 210.30.42.20.01.002 vs Ref. M79010SG-0001

In the dive watch category, the Omega Seamaster Diver 300M Nekton Edition and Tudor Black Bay 58 S&G go head to head — two of the most sought-after options from rival manufacturers. The Omega Seamaster Diver 300M Nekton Edition at $6,100 and the Tudor Black Bay 58 S&G at $5,525 each bring unique strengths. Here's our detailed breakdown of how they compare on specs, pricing, and market value.

Price Comparison

Omega

Seamaster Diver 300M Nekton Edition

Retail$6,100
Market Avg$4,880
Market Range$4,294 $5,466
Premium-20.0%
Flip Score2/10 – Below Average

Tudor

Black Bay 58 S&G

Retail$5,525
Market Avg$5,525
Market Range$4,862 $6,188
Premium0.0%
Flip Score3/10 – Moderate

At retail, the Omega Seamaster Diver 300M Nekton Edition is listed at $6,100 while the Tudor Black Bay 58 S&G comes in at $5,525. The Tudor Black Bay 58 S&G saves you $575 (10% less), a meaningful difference for most buyers. On the secondary market, the gap widens: the Omega Seamaster Diver 300M Nekton Edition trades around $4,880 and the Tudor Black Bay 58 S&G around $5,525, a difference of $645 favoring the Omega Seamaster Diver 300M Nekton Edition. 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 58 S&G commands an even stronger market premium of 0.0%, holding steady. For investors, the Tudor Black Bay 58 S&G edges ahead with a flip potential score of 3/10 compared to 2/10.

Specifications

SpecificationOmega Seamaster Diver 300M Nekton EditionTudor Black Bay 58 S&G
Case Diameter42mm39mm
Case Thickness13.56mm11.9mm
Case MaterialStainless steelStainless steel and yellow gold
BezelBlack ceramic unidirectional rotating bezel with diving scaleUnidirectional rotating bezel with anodized aluminium insert in brown
CrystalDomed sapphire crystal with anti-reflective treatmentSapphire crystal
Water Resistance300m / 1000ft200m / 660ft
MovementOmega Co-Axial Master Chronometer calibre 8800Tudor Calibre MT5402
Movement TypeAutomaticAutomatic
Power Reserve55 hours70 hours
Bracelet/StrapStainless steel braceletStainless steel and yellow gold with riveted-style links
ClaspFolding clasp with diver extensionFolding clasp with safety catch
Lug Width20mm20mm

Key specification differences stand out between these two: The Omega Seamaster Diver 300M Nekton Edition leads in water resistance (300m / 1000ft vs. 200m / 660ft), and the Tudor Black Bay 58 S&G offers longer power reserve at 70 hours, and the Omega Seamaster Diver 300M Nekton Edition uses Stainless steel while the Tudor Black Bay 58 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 Omega Seamaster Diver 300M Nekton Edition costs $116 versus $142 for the Tudor Black Bay 58 S&G. For water resistance, the Omega Seamaster Diver 300M Nekton Edition delivers better value per meter of depth rating. The Tudor Black Bay 58 S&G offers more power reserve per dollar spent.

Which Should You Buy?

Choose the Omega Seamaster Diver 300M Nekton Edition if you value serious diving capabilities. Go with the Tudor Black Bay 58 S&G if you prioritize a lower entry price, stronger flip potential, better value retention. For pure investment potential, the Tudor Black Bay 58 S&G has the edge based on current market data.

Frequently Asked Questions

Which is more affordable, the Omega Seamaster Diver 300M Nekton Edition or the Tudor Black Bay 58 S&G?

The Tudor Black Bay 58 S&G is more accessible, priced at $5,525 compared to $6,100.

Which watch is a better investment?

Based on current market data, the Tudor Black Bay 58 S&G has a higher flip potential score of 3/10, suggesting stronger investment returns. However, watch values can fluctuate based on market conditions.

Which holds its value better on the secondary market?

The Tudor Black Bay 58 S&G currently trades at 0.0% below retail, indicating moderate value retention on the pre-owned market.

How do the Omega Seamaster Diver 300M Nekton Edition and Tudor Black Bay 58 S&G compare in size?

The Omega Seamaster Diver 300M Nekton Edition measures 42mm in diameter and 13.56mm thick, while the Tudor Black Bay 58 S&G is 39mm by 11.9mm. Water resistance differs too: 300m / 1000ft versus 200m / 660ft.

What movements do these watches use?

The Omega Seamaster Diver 300M Nekton Edition uses the Omega Co-Axial Master Chronometer calibre 8800 with 55 hours power reserve, while the Tudor Black Bay 58 S&G runs on the Tudor Calibre MT5402 offering 70 hours of power reserve.

Stay Ahead of the Market

Get Weekly Watch Intel

Market shifts, price alerts, and insider insights — delivered to your inbox every week. Free forever.

No spam, ever. Unsubscribe anytime.