Seiko Cal. 6391 - 257

Seiko 6391-257

This Kinetic model from 1968 features a 40mm Titanium case. The Fixed bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-52acbbc06d37]

Also known as: Samurai, Shogun

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
40mm
Case Thickness
9.2mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
120m
Dial Color
Black
Jewels
24j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1968

Related Models

seikata-wm-52acbbc06d37