Seiko Cal. 6636 - 566

This Automatic model from 1971 features a 46mm PVD Black case. The Fixed bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-ff3aea110d49]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1971

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