Seiko Cal. 6687 - 554

The Seiko 6687-554 represents an important milestone in Seiko's 1971 lineup. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-2a93716b5059]

Also known as: Samurai

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1971

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