Seiko Cal. 6678 - 939

The Seiko 6678-939 represents an important milestone in Seiko's 1991 lineup. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-f7a9b81842b1]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1991

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