Seiko Cal. 5621 - 388

Released in 1980, the Cal. 5621 with design code 388 was part of Seiko's domestic market collection. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-4f9cc7bed07f]

Also known as: Rally, Arnie

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

34mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Black

Jewels

23j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1980

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