Tudor Black Bay 58 vs Seiko Prospex SPB143
Head-to-head comparison · Community ratings · Pricing
Quick Verdict
Seiko Prospex SPB143 is the value winner at $700–$900 — over 50% cheaper than the Tudor Black Bay 58 ($4k–$4k).
Specifications Compared
Community Ratings
Tudor Black Bay 58
Seiko Prospex SPB143
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Frequently Asked Questions
Which is better: Tudor Black Bay 58 or Seiko Prospex SPB143?▼
Both are excellent watches with different strengths. The Tudor Black Bay 58 offers a more compact size and costs more new. The Seiko Prospex SPB143 excels in overall construction. The best choice depends on your wrist size, budget, and preferred aesthetic.
What's the price difference?▼
The Tudor Black Bay 58 retails for $4k–$4k, while the Seiko Prospex SPB143 is priced at $700–$900. Pre-owned, expect $3k–$4k and $550–$750 respectively. Actual secondary market prices vary based on condition and demand.
How do the case sizes compare?▼
The Tudor Black Bay 58 has a 39mm case diameter with 11.9mm thickness, while the Seiko Prospex SPB143 measures 40.5mm × 13.2mm. Both have lug-to-lug measurements of 47mm and 48mm respectively. Consider your wrist size and wear style when deciding.
Which has better water resistance?▼
The Tudor Black Bay 58 is water-resistant to 200m, while the Seiko Prospex SPB143 offers 200m. Both are suitable for swimming and snorkeling at their respective depths. For professional diving, verify the rating exceeds 300m and includes a screw-down crown.
How do the movements compare?▼
The Tudor Black Bay 58 uses a automatic MT5402 with 70 hours power reserve. The Seiko Prospex SPB143 features a automatic 6R35 with 70 hours power reserve. Both offer traditional mechanical craftsmanship.
Which holds value better?▼
Tudor and Seiko both command strong secondary markets. Pre-owned pricing shows an estimated resale value of $3k–$4k for the Black Bay 58 and $550–$750 for the Prospex SPB143. Condition, service history, and box/papers significantly impact resale value for both models.