Seiko Cal. 6397 - 685

This Automatic model from 1967 features a 46mm PVD Black case. With its 22mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-e9646c509a9e]

Also known as: Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1967

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