SPECIFICATIONS
MovementAutomatic
Caliber6117B, 6R54
Case size41 x 45 mm, 38.5 mm diameter, 45.2–45.4 mm lug-to-lugmm
Case materialSteel / stainless steel, Stainless steel with super-hard coating
Case shapeLarge steel case, cushion-shaped/barrel-shaped, Cushion-shaped
ThicknessN/A, 12.6–12.9 mmmm
Lug width19 mm, 20 mmmm
CrystalPlexiglass, Box-shaped sapphire crystal
Dial colorBlack, Grey / brushed grey
ComplicationsDate, GMT, Hours, minutes, seconds, date, GMT
Release year1968/1969, 1974, 2023
Seiko
Seiko Navigator Timer
The Seiko Navigator Timer refers to both vintage models (refs. 6117-6410 / 6117-8000) and the modern Prospex recreation SPB411J1.