Seiko Cal. 6648 - 889

The Seiko 6648-889 represents an important milestone in Seiko's 1978 lineup. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-0e154eb67363]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1978

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