Seiko Cal. 5621 - 384

The Seiko 5621-384 represents an important milestone in Seiko's 1980 lineup. With its 18mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-bf88570097b4]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

23j

Frequency

28,800 bph

Power Reserve

40 hours

Year

1980

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