Seiko Prospex Speedtimer

Seiko Prospex Speedtimer

Seiko Prospex Speedtimer
Watch by Seiko

Seiko Prospex Speedtimer

Case
42.5 mm
Thickness
15.1 mm
Lug width
20 mm
Crystal
Sapphire
Market price
$3,000
Updated 11 November 2026
About this watch

The Seiko Prospex Speedtimer is a 42.5 mm watch. Its stainless steel case is 15.1 mm thick and 50 mm from lug to lug, with 20 mm lugs. It is water resistant to 100 m. The crystal is sapphire.

The manufacturer’s list price is US$3,000.

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Last update:

11 November, 2026