Seiko Cal. 6647 - 186

The Seiko 6647-186 represents an important milestone in Seiko's 1979 lineup. The Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-dc77633dcb60]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1979

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