Seiko Cal. 5621 - 666

The Seiko 5621-666 represents an important milestone in Seiko's 1990 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-910649cb3fab]

Also known as: Crown, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1990

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