Seiko Cal. 4421 - 715

This Quartz model from 1976 features a 36mm PVD Black case. With its 20mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-e754513fa211]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1976

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