Seiko Cal. 6397 - 378

This Automatic model from 1977 features a 40mm Titanium case. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-4d623cb3cbb7]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1977

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