Seiko Cal. 6628 - 177

This Hand-Winding model from 1981 features a 39mm PVD Black case. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-bb473922cafd]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1981

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