Seiko Cal. 5620 - 321

The Seiko 5620-321 represents an important milestone in Seiko's 1982 lineup. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-bd4bda07aac1]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Cream

Jewels

23j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1982

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