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Omega Seamaster 300 vs Tudor Black Bay S&G

Ref. 234.32.41.21.01.001 vs Ref. M79733N-0008

In the dive watch category, the Omega Seamaster 300 and Tudor Black Bay S&G go head to head — two of the most sought-after options from rival manufacturers. The Omega Seamaster 300 at $5,900 and the Tudor Black Bay S&G at $5,475 each bring unique strengths. Here's our detailed breakdown of how they compare on specs, pricing, and market value.

Price Comparison

Omega

Seamaster 300

Retail$5,900
Market Avg$4,720
Market Range$4,154 $5,286
Premium-20.0%
Flip Score2/10 – Below Average

Tudor

Black Bay S&G

Retail$5,475
Market Avg$4,928
Market Range$4,337 $5,519
Premium-10.0%
Flip Score2/10 – Below Average

At retail, the Omega Seamaster 300 is listed at $5,900 while the Tudor Black Bay S&G comes in at $5,475. The two watches are priced within $425 of each other, making this a near-even matchup in terms of cost. On the secondary market, the gap narrows: the Omega Seamaster 300 trades around $4,720 and the Tudor Black Bay S&G around $4,928, a difference of $208 favoring the Omega Seamaster 300. 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 S&G 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 300Tudor Black Bay S&G
Case Diameter41mm41mm
Case Thickness13.85mm12.7mm
Case MaterialStainless steelStainless steel and yellow gold
BezelBlack ceramic unidirectional rotating bezel with liquidmetal diving scaleUnidirectional rotating bezel with anodized aluminium insert in black
CrystalDomed sapphire crystal with anti-reflective treatmentDomed sapphire crystal
Water Resistance300m / 1000ft200m / 660ft
MovementOmega Co-Axial Master Chronometer calibre 8912Tudor Calibre MT5612
Movement TypeAutomaticAutomatic
Power Reserve55 hours70 hours
Bracelet/StrapBlack and grey NATO strapStainless steel and yellow gold with riveted-style links
ClaspSteel buckleFolding clasp with safety catch
Lug Width20mm22mm

Key specification differences stand out between these two: The Omega Seamaster 300 leads in water resistance (300m / 1000ft vs. 200m / 660ft), and the Tudor Black Bay S&G offers longer power reserve at 70 hours, and the Omega Seamaster 300 uses Stainless steel while the Tudor Black Bay S&G opts for Stainless steel and yellow gold. 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 300 costs $115 versus $120 for the Tudor Black Bay S&G. For water resistance, the Omega Seamaster 300 delivers better value per meter of depth rating. The Tudor Black Bay S&G offers more power reserve per dollar spent.

Which Should You Buy?

Choose the Omega Seamaster 300 if you value serious diving capabilities. Go with the Tudor Black Bay S&G if you prioritize a lower entry price, better value retention, serious diving capabilities.

Frequently Asked Questions

Which is more affordable, the Omega Seamaster 300 or the Tudor Black Bay S&G?

The Tudor Black Bay S&G is more accessible, priced at $5,475 compared to $5,900.

Which holds its value better on the secondary market?

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

How do the Omega Seamaster 300 and Tudor Black Bay S&G compare in size?

The Omega Seamaster 300 measures 41mm in diameter and 13.85mm thick, while the Tudor Black Bay S&G is 41mm by 12.7mm. Water resistance differs too: 300m / 1000ft versus 200m / 660ft.

What movements do these watches use?

The Omega Seamaster 300 uses the Omega Co-Axial Master Chronometer calibre 8912 with 55 hours power reserve, while the Tudor Black Bay S&G runs on the Tudor Calibre MT5612 offering 70 hours of power reserve.

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