Omega Seamaster Diver 300M vs Tudor Black Bay 58 S&G
Ref. 2531.80.00 vs Ref. M79010SG-0001
Comparing the Omega Seamaster Diver 300M to the Tudor Black Bay 58 S&G means weighing a significant price difference — is the premium justified? At ~$3,800 (market value) versus $5,525, these two watches serve different segments of the market. Here's how they stack up on specifications, value retention, and investment potential.
Price Comparison
Omega
Seamaster Diver 300M
Tudor
Black Bay 58 S&G
The Omega Seamaster Diver 300M is priced at ~$3,800 (market value) while the Tudor Black Bay 58 S&G comes in at $5,525. On the secondary market, the gap narrows: the Omega Seamaster Diver 300M trades around $3,800 and the Tudor Black Bay 58 S&G around $5,525, a difference of $1,725 favoring the Omega Seamaster Diver 300M. This watch trades at 36% above retail on the secondary market and is trending upward — a strong indicator of collector demand. The Tudor Black Bay 58 S&G shows a more modest market premium of 0.0%, holding steady. For investors, the Omega Seamaster Diver 300M edges ahead with a flip potential score of 6/10 compared to 3/10.
Specifications
| Specification | Omega Seamaster Diver 300M | Tudor Black Bay 58 S&G |
|---|---|---|
| Case Diameter | 41mm | 39mm |
| Case Thickness | 12mm | 11.9mm |
| Case Material | Stainless steel | Stainless steel and yellow gold |
| Bezel | Blue unidirectional rotating bezel with diving scale | Unidirectional rotating bezel with anodized aluminium insert in brown |
| Crystal | Sapphire crystal with anti-reflective treatment | Sapphire crystal |
| Water Resistance | 300m / 1000ft | 200m / 660ft |
| Movement | Omega calibre 1120 (base ETA 2892-A2) | Tudor Calibre MT5402 |
| Movement Type | Automatic | Automatic |
| Power Reserve | 44 hours | 70 hours |
| Bracelet/Strap | Stainless steel bracelet | Stainless steel and yellow gold with riveted-style links |
| Clasp | Folding clasp with diver extension | Folding clasp with safety catch |
| Lug Width | 20mm | 20mm |
Key specification differences stand out between these two: The Omega Seamaster Diver 300M 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 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 costs $93 versus $142 for the Tudor Black Bay 58 S&G. For water resistance, the Omega Seamaster Diver 300M 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 if you value a lower entry price, stronger flip potential, better value retention. Go with the Tudor Black Bay 58 S&G if you prioritize serious diving capabilities. For pure investment potential, the Omega Seamaster Diver 300M has the edge based on current market data.
Frequently Asked Questions
Which is more affordable, the Omega Seamaster Diver 300M or the Tudor Black Bay 58 S&G?
The Omega Seamaster Diver 300M is more accessible, priced at ~$3,800 (market value) compared to $5,525.
Which watch is a better investment?
Based on current market data, the Omega Seamaster Diver 300M has a higher flip potential score of 6/10, suggesting stronger investment returns. However, watch values can fluctuate based on market conditions.
Which holds its value better on the secondary market?
The Omega Seamaster Diver 300M currently trades at 35.7% above retail, indicating strong value retention on the pre-owned market.
How do the Omega Seamaster Diver 300M and Tudor Black Bay 58 S&G compare in size?
The Omega Seamaster Diver 300M measures 41mm in diameter and 12mm 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 uses the Omega calibre 1120 (base ETA 2892-A2) with 44 hours power reserve, while the Tudor Black Bay 58 S&G runs on the Tudor Calibre MT5402 offering 70 hours of power reserve.

