Seiko Cal. 6618 - 621

The Seiko 6618-621 represents an important milestone in Seiko's 1976 lineup. The Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-88bc8bbb9737]

Also known as: Bellmatic, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

34j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1976

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