Seiko Cal. 6331 - 517

The Seiko 6331-517 represents an important milestone in Seiko's 1971 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-a99cd87a2cee]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1971

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