Seiko Prospex
Seiko's professional line. The Turtle and Samurai automatics are ISO 6425 divers; the Prospex Solar divers use the V157 solar caliber in a 38.5 mm case with sapphire.
As of November 3, 2026, we track 3 Seiko Prospex watches with a verified Amazon price, from $476 to $719; the median is $485. The best value by specifications per dollar is the Seiko Prospex Solar Diver SNE595 at $719.00 (78 spec points, Value Score 73). Scores compare watches only within their own type.
Prospex: 3 references we track
Sorted by Value Score (relative to the best in-stock watch of each watch's type). Prices are today's verified Amazon prices for new watches.
| # | Watch | Type | Movement | Crystal | Water res. | Case diameter × lug-to-lug | Fits wrist | Spec pts | Price | Value Score | Buy |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | Solar diver | Solar quartz (V157) | Sapphire | 200 m ISO | 38.5 mm | — | 78 | $719.00third-party | 73 | Amazon |
| 2 | Auto diver | Automatic (4R36) | Hardlex | 200 m ISO | 45 × 48 mm | ≥ 17.3 cm (6.8″) | 81 | $485.00third-party | 44 | Amazon | |
| 3 | Auto diver | Automatic (4R35) | — | 200 m ISO | — | — | 72 | $476.00third-party | 42 | Amazon |
Amazon.com prices as of November 3, 2026, 18:15 UTC — details. third-party = sold by a marketplace seller, not Amazon (warranty may differ); ships later = not in stock today, never crowned best value.