Seiko Cal. 6658 - 276

This Automatic model from 1974 features a 39mm PVD Black case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-32701c52139a]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1974

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