Seiko Cal. 5621 - 159

This Spring Drive model from 1976 features a 41mm Gold-Plated case. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-755e7c51cf5e]

Also known as: Sea Horse, Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

9.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1976

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