Seiko Cal. 4421 - 607

The Seiko 4421-607 represents an important milestone in Seiko's 1983 lineup. With its 18mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-ead1ddc1beb7]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

44mm

Case Thickness

8.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1983

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