Seiko Cal. 6648 - 689

The Seiko 6648-689 represents an important milestone in Seiko's 1971 lineup. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-a118f12a5493]

Also known as: Shogun

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1971

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