Tissot Seastar 1000 vs Seiko Prospex SPB143
Head-to-head comparison · Community ratings · Pricing
Quick Verdict
Both sit in a similar price range: Tissot Seastar 1000 at $650–$800 vs Seiko Prospex SPB143 at $700–$900 — choose based on use case and style preference. Choose Tissot Seastar 1000 (300m WR) for diving; Seiko Prospex SPB143 (200m) suits everyday wear. Case size: Tissot Seastar 1000 at 45.5mm suits larger wrists; Seiko Prospex SPB143 at 40.5mm is the more compact option.
Specifications Compared
Frequently Asked Questions
Which is better: Tissot Seastar 1000 or Seiko Prospex SPB143?▼
Both are excellent watches with different strengths. The Tissot Seastar 1000 offers a larger case and costs less 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 Tissot Seastar 1000 retails for $650–$800, while the Seiko Prospex SPB143 is priced at $700–$900. Pre-owned, expect $450–$650 and $550–$750 respectively. Actual secondary market prices vary based on condition and demand.
How do the case sizes compare?▼
The Tissot Seastar 1000 has a 45.5mm case diameter with 13.7mm thickness, while the Seiko Prospex SPB143 measures 40.5mm × 13.2mm. Both have lug-to-lug measurements of 52mm and 48mm respectively. Consider your wrist size and wear style when deciding.
Which has better water resistance?▼
The Tissot Seastar 1000 is water-resistant to 300m, 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 Tissot Seastar 1000 uses a automatic Powermatic 80 with 80 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?▼
Tissot and Seiko both command strong secondary markets. Pre-owned pricing shows an estimated resale value of $450–$650 for the Seastar 1000 and $550–$750 for the Prospex SPB143. Condition, service history, and box/papers significantly impact resale value for both models.