Seiko Cal. 6392 - 378

The Seiko 6392-378 represents an important milestone in Seiko's 1971 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-5cb0cb095c19]

Also known as: Turtle, Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Champagne

Jewels

19j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1971

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