Seiko Cal. 6221 - 578

The Seiko 6221-578 represents an important milestone in Seiko's 1987 lineup. With its 18mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-2b858c0993d8]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

21j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1987

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