Seiko Cal. 6620 - 381

The Seiko 6620-381 represents an important milestone in Seiko's 1975 lineup. With its 18mm lug width and 14.9mm profile, it sits comfortably on most wrists. [seikata-wm-0bc22011b40b]

Also known as: Flighty

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.9mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1975

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