Dive
by Seiko
Seiko Prospex Marinemaster 1968 Heritage JAMSTEC Limited Edition
Prospex Marinemaster · Prospex Marinemaster 1968 Heritage JAMSTEC Limited Edition
- Case
- 42.6 mm
- Thickness
- 14.1 mm
- Lug width
- 20 mm
- Crystal
- Sapphire
- Market price
- $3,900
Updated 11 November 2026
About this watch
The Seiko Prospex Marinemaster 1968 Heritage JAMSTEC Limited Edition is a 42.6 mm watch from the Prospex Marinemaster collection. Its stainless steel case is 14.1 mm thick and 49.3 mm from lug to lug, with 20 mm lugs. It is water resistant to 300 m. The crystal is sapphire.
The manufacturer’s list price is US$3,900.
Same brand
More from Seiko
Your next watch
Find your next watch, not just a brand.
Every watch on Watcheers has its spec sheet in Watch Explorer. Filter by size, material and budget to find the one that fits.