Hamilton Jazzmaster 40 vs Seiko Prospex SPB143
Head-to-head comparison · Community ratings · Pricing
Quick Verdict
Both sit in a similar price range: Hamilton Jazzmaster 40 at $750–$900 vs Seiko Prospex SPB143 at $700–$900 — choose based on use case and style preference. Choose Seiko Prospex SPB143 (200m WR) for diving; Hamilton Jazzmaster 40 (50m) suits everyday wear.
Specifications Compared
Frequently Asked Questions
Which is better: Hamilton Jazzmaster 40 or Seiko Prospex SPB143?▼
Both are excellent watches with different strengths. The Hamilton Jazzmaster 40 offers a more compact size and costs more new. The Seiko Prospex SPB143 excels in water resistance. The best choice depends on your wrist size, budget, and preferred aesthetic.
What's the price difference?▼
The Hamilton Jazzmaster 40 retails for $750–$900, while the Seiko Prospex SPB143 is priced at $700–$900. Pre-owned, expect $550–$750 and $550–$750 respectively. Actual secondary market prices vary based on condition and demand.
How do the case sizes compare?▼
The Hamilton Jazzmaster 40 has a 40mm case diameter with 10.3mm 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 Hamilton Jazzmaster 40 is water-resistant to 50m, 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 Hamilton Jazzmaster 40 uses a automatic H-10 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?▼
Hamilton and Seiko both command strong secondary markets. Pre-owned pricing shows an estimated resale value of $550–$750 for the Jazzmaster 40 and $550–$750 for the Prospex SPB143. Condition, service history, and box/papers significantly impact resale value for both models.