Seiko Cal. 6621 - 898

This Spring Drive model from 1978 features a 35mm Hardlex-Coated Steel case. With its 18mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-997de3beaee9]

Also known as: Turtle, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

15.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1978

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